Shure
KSE1500 Electrostatic Earphones
$2,999.00 USDFeatures
USB digital input
7-10 hours of battery life
Video
What's in the Box?
Warranty
After 7 years of rigorous development, Shure's KSE1500 Electrostatic Sound Isolating™ Earphone System is the World's First in-ear headphone technology.
The KSE1500 features the first-ever single-driver electrostatic earphone matched to a rechargeable USB amplifier, with digital-to-audio conversion (DAC) and support for both digital, streaming, and pure analog audio sources - portable or otherwise.
Package Includes:
- KSE1500 Earphones, earphone sleeves, & carrying case
- KSA1500 USB Amplifier & Leather Case
- Micro USB to Lightning Cable, Micro USB OTG Cable, Micro USB to USB Cable, 2 x 3.5mm Cable (6” & 36”)
- Airline Adapter, 1/4” Adapter, Cable Clip, USB Power Plug, Volume Attenuator
- Microfiber Cleaning Cloth, Rubber Retention Bands (2x)
Main Features:
- 4-Band Parametric EQ
- USB digital input
- 7-10 hours of battery life
The Shure KSE1500 Earphones
Advanced Technology
The Shure KSE1500 is the first-ever single-driver electrostatic sound-isolating earphone. The design features a virtually weightless, massless diaphragm, surrounded by an electrostatic field generated by back plates that manage charge oscillation.
The audio technology of the KSE1500 earphones enables listeners to fine-tune and appreciate frequencies that may be distorted or lost completely.
Extremely high correlation to the source audio provides unmatched audio clarity and detail.
Custom-designed Kevlar™ reinforced cable specifically isolates each conductor.
Sound Isolating™, comfortable sleeves block up to 37 dB of ambient noise.
Lightweight, ergonomic shape minimizes ear fatigue.
How does it work?
A very small & thin diaphragm sits between two conductive metal plates.
When an audio signal is applied, the metal plates move the diaphragm, creating moving air that is converted into acoustic sound pressure.
As a result, music has a finer clarity as opposed to standard earphones.
The Shure KSA1500 USB Amplifier
Included with the KSE1500 earphones is a rechargeable USB amplifier. The KSA1500 acts as a DAC or digital-analog converter.
Exclusive Pairing
Designed exclusively for the KSE1500 electrostatic earphone, this amplifier features a unique electrical circuit that delivers specific bias voltages required by the single-driver electrostatic earphones.
4-Band Parametric EQ
Features five preset settings and four customizable settings to suit your unique taste with detailed personal control.
Preset settings include flat, low boost, vocal, boost, loudness, and de-ess.
Each user-defined setting features four customizable EQ points (low shelf up to 630 Hz, two frequency-variable peaks, high shelf down to 800 Hz), allowing detailed personal control, shaping, and tuning for different musical tone preferences.
Enhanced Audio Control
Designed exclusively for the KSE1500 electrostatic earphone system, the DAC amplifier has a 6-pin LEMO connection and an electrical circuit customized completely for single-driver electrostatic earphones.
- Digital audio input via USB
- Bit depth: 16-bit / 24-bit
- Sample rate: 44.1 / 48 / 88.2 / 96 kHz
- Analog signal path via standard 1/8" (3.5 mm) “Line In” input/switch
- Bypasses digital processing for pure analog audio (“Bypass” mode)
- Analog input pad settings (10 dB or 20 dB) for managing high input levels
- Input level meter for monitoring signal gain structure
- Volume level meter
- User-selectable limiter
EMI (Electromagnetic Interference) Filter
Specially designed circuitry filters out Electromagnetic interference from mobile phones without sacrificing the audio quality.
Streamlined navigation
Quick and simple selection of the KSE1500 settings
- Tactile main control knob
- Power / previous screen button
- The hold switch will lock the KSE1500 to prevent any accidental setting changes
- Color OLED screen for easy, viewable, detailed navigation through settings
Integrated USB rechargeable battery
Conveniently charge from the provided wall charger or computer, even when streaming USB audio from the computer.
- Battery life - Up to 7 hours with digital USB input
- (EQ mode) - Up to 10 hours with analog input
- (Bypass EQ mode) - Charge time: approx. 3 hours 15 minutes for a full charge from empty (using power adaptor)
Compatibility
Compatible with Mac, PC, iOS, and Android devices via included accessory assortment, featuring Micro-B to Lightning and Micro-B OTG cables.
Step 1: Start from the home screen
Step 2: Double-click button 1 to enter the menu, go to "Equalizer", and press button 1 once
Step 3: Use button 1 to select the preset mode or create user-defined settings. For user-defined mode, select "USER DEFINED" 1, 2, 3, or 4 and press button 1 once.
Step 4: Use button 1 to highlight the filter point you want to adjust, and push button 1 once to confirm.
Step 5: User button to boost or reduce the gain of the selected frequency and push once to set.
Step 6: If you are adjusting the PEAK filter (point 2 or 3), you can use the button to select the bandwidth of the filter: Narrow, Medium, or Wide.
Step 7: Once finished customizing the EQ setting, push button 2 once. Use button 1 to decide to save that setting under USER DEFINED 1,2,3, or 4. Kindly note that once a setting is saved, it will replace the previous setting of that USER-DEFINED number.
4-band Parametric EQ features five preset settings and four customizable settings for management of audio playback preferences
Preset settings include flat, low boost, vocal boost, loudness, and de-ess
Each user-defined setting features four customizable EQ points (low shelf up to 630 Hz, two frequency-variable peaks, high shelf down to 800 Hz), allowing detailed personal control, shaping, and tuning for different musical tone preferences. Enhanced audio controls provide user-friendly digital and analog options to maximize audio playback fidelity
Digital audio input via USB
Bit depth: 16-bit / 24-bit
Sample rate: 44.1 / 48 / 88.2 / 96 kHz
Analog signal path via standard 1/8" (3.5 mm) “Line In” input/switch
Bypasses digital processing for pure analog audio (“Bypass” mode)
Analog input pad settings (10 dB or 20 dB) for managing high input levels
Input level meter for monitoring signal gain structure
Volume level meter
User-selectable limiter Streamlined navigation for quick and simplified selection of the KSE1500 settings
Tactile main control knob
Power / previous screen button
The hold switch locks the KSE1500 to prevent accidental setting changes.
Color OLED screen for easy viewing, detailed navigation through settings. An integrated USB rechargeable battery can conveniently charge from the provided wall charger or computer, even when streaming USB audio from the computer.
Battery life ◦ Up to 7 hours with digital USB input (EQ mode) ◦ Up to 10 hours with analog input (Bypass EQ mode)
Charge time: approx. 3 hours 15 minutes for a full charge from empty (using power adaptor)
What's in the box?
- Micro-USB-to-Lightning Cable
- Micro-USB OTG Cable
- Micro-USB to USB Cable
- 3.5mm Cable (6”)
- 3.5mm Cable (36”)
- Leather Case for Amplifier
- Earphone Carrying Case
- Earphone Sleeves
- Airline Adapter
- 1/4” Adapter
- Volume Attenuator
- Cable Clip
- Microfiber Cleaning Cloth
- Rubber Retention Bands (2x)
- USB Power Plug
- 2 Year Limited Warranty (see warranty information)
Shure KSE1500 Electrostatic Earphone System Review
Read Time: Approx. 13 min.
You Will Be Blown Away By the Clear, Natural, Resolute Sound
My ears are absolutely glowing after listening to the Shure KSE1500 Sound Isolating Electrostatic Earphone. This truly is something special.
I know a person can become jaded in any high-end hobby. You reach a point where you think you've seen and heard it all, and nothing manages to "wow" you anymore. Of course, products do get over-promoted, and there are certainly some that don't live up to the hype.
But even if you have reached epic levels of jadedness, every once in a while a product comes along that commands your attention. In the audiophile world, one such product could very well be the Shure KSE1500 Sound Isolating Electrostatic Earphone System ($2,999). It's the world's first Sound Isolating electrostatic earphone, or in-ear monitor. So you get all of the benefits of electrostatic technology plus the ability to block up to 37dB of ambient noise.
Electrostatic drivers feature a tiny, thin diaphragm that sits between two conductive metal plates. When an audio signal is applied, the metal plates move the diaphragm, creating moving air that is converted into acoustic sound pressure. As a result, music has a finer clarity as opposed to other driver types. Imagine a personal listening device that makes you feel like you're enjoying your music in a sound-proof chamber. No phones. No vehicle motors. No outside conversations. Just you and your music delivered with amazing clarity, speed, realism and nuance with virtually no distortion. You get subtlety and precision on a whole other level.
The KSE1500 consists of single-driver electrostatic earphones matched to a special headphone amplifier that incorporates a digital-to-analog converter (DAC) with EQ control. Electrostatic headphones and earphones have special high-voltage amplification. What this means is that the amplifier with the Shure KSE1500 can only be used with these earphones, and that these earphones can only be used with this amp.
You have the option of connecting the KSE1500 directly to your phone, other portable source, or computer, or using an external DAC via the analog input -- more on that later. What's more, the KSE1500 is Apple MFi certified.
Shure KSE1500 Electrostatic Earphones Review
PROS
- Natural, realistic, lifelike sound
- Brings out precision and nuance in music
- Very low distortion. Highly resolving
CONS
- Expensive
- Must use special amp (included)
- Not for bass fanatics
Design
The amplifier box is relatively small -- about 2 by 4 inches. It's not much heavier than my iPhone. The body is made from black anodized aluminum, and it looks and feels quite sturdy. It has two inputs: a 3.5mm jack and a micro-USB for hooking up to a PC, Mac, iOS, or Android device.
On the right side of the box are the power/previous screen button as well as a hold switch for locking the KSE1500 to prevent any accidental setting changes. A large, tactile knob on the top left controls the volume and allows you to navigate the color OLED display screen, which displays the output volume, battery level, and EQ settings. The screen is small -- maybe 3/4-inch wide and not quite as tall, but it's about as big as it needs to be.
A notable thing about the KSE1500 is the cable, which deviates from your typical flat and wide electrostatic cable. This cable is round, Kevlar reinforced and connects to the amp via a six-pin Lemo connector. The KSE1500 also comes with a Micro-B to Lightning and Micro-B OTG cables.
The earphones themselves are small, lightweight, and designed to minimize ear fatigue. The housing is plastic, which some might find disappointing for a $3,000 earphone. But I found them to be extremely comfortable -- like, I inserted them into my ear canal and then forgot about them. They fit me so well. Design wise, the shells are clear, showcasing the black components underneath. The KSE1500 comes with three types of sound isolating ear sleeves (aka ear tips): soft flex sleeves made from rubber, soft foam sleeves, and triple-flange sleeves. I used the soft flex sleeves.
The USB-rechargeable lithium ion battery offers 7-10 hours of playback and is charged by USB. You get about seven hours when you use the DAC or equalizer, and 10 hours when you use the analog input or EQ bypass. It can charge from the provided wall charger or computer, even when streaming USB audio from a computer.
Sound
This was not my first electrostatic headphone listening experience. I've listened to the Dan Clark Audio VOCE and the HIFIMAN Shangri-La Jr. And I've listened to IEMs with multiple driver types that include one or more e-stat drivers, such as the Empire Ears Odin and Empire Ears Valkyrie MK-II. But until the KSE1500, I had never listened to a single-driver electrostatic earphone.
Almost immediately after I started listening to the KSE1500 sound isolating earphones, I felt like I had been transported to a soundproof chamber. The only thing -- and I mean the only thing -- I was hearing was my music. No ambient office sounds, no cars whizzing by outside, no coworkers conversing down the hall. This both startled and delighted me. With absolutely no outside distractions, it was like I was hearing music in a whole new way. I should note that there were renovations happening in my building at the time of my review, and I did not hear any of it when I had these earphones in.
My first thought about the sound was how incredibly clear and present it was. There was absolutely no veil, no haze. Nor was there anywhere for any element of the music to hide. Everything that existed in a track was there for me to observe, take in, and dissect. It made me think of a face with no makeup: you see the features exactly as they are. Overall, I found the sound to be natural and pleasant but with a certain heft to it. This was not a light or delicate sound.
The bass on the KSE1500 was more robust than I expected. I would describe it as tight, defined, sometimes punchy. It lent enough fullness to my music such that it never sounded weak or thin. Now, I'm not someone who's looking for big, booming bass, but I do love a good bassline. Bass guitar is one of my favorite instruments; I love its tone, timbre, and texture. On several tracks that I listened to, I heard the bassline with incredible clarity, but never in a way that it became too prominent in the mix.
Mids were very revealing, starting with vocals. More about nuance than emotiveness or impact, they were highly natural, clear, and generally pretty forward. Listening to Elton John, I truly felt like he was singing directly into my ear, not that I was listening to a studio recording. There was great diction and texture. In tracks with multiple instruments happening at once, I found that the KSE1500 let them have their space, with nothing competing with anything else.
Electric guitars were about what I expected for an electrostatic headphone. With little distortion, they seemed to lack the bite or "dirtiness" to make them fully satisfying on heavier tracks from Led Zeppelin and David Bowie. "Hang On to Yourself" by Bowie, for example, sounded slightly anemic and sped up. But while the overall sound was a little thinner than I would like, I did find that the bassline was extremely tight and defined.
Highs on the KSE1500 were relaxed and pleasant while infusing my music with great energy and detail. Natalie Merchant's vocals, which can sound syrupy or too rich on a warmer headphone, were delightfully sweet and clear. I heard subtle mouth sounds and inhalations that I'm not used to hearing. To me, that's part of what makes music sound "real." And the higher-register piano on her "Beloved Wife" was a nice highlight in a track that has a fair amount of rich bass to it.
What I really loved with the KSE1500 was the amazing resolution and layering of sound. Whooshes and pops and clicks and mouth sounds were all there to complement the instrumentation. And the definition and separation of instruments was phenomenal. When I heard an acoustic guitar strum, it was as if I could count the individual strings.
On a classical track, Vangelis' "Conquest of Paradise," I was simply blown away by the expansiveness of the soundstage. The majestic sound swirled around me, giving me a feeling of flying through the music. The massed vocals sounded as clear as I have heard them. I don't know Latin, but the individual words were decipherable to me in a way they usually aren't. (File this under "you learn something new every day": Apparently the lyrics are "pseudo-Latin," aka Dog Latin.)
Beloved Wife
By Natalie Merchant
(Tigerlily)
Box of Rain
By Grateful Dead
(American Beauty)
Captain Fantastic and the Brown Dirt Cowboy
By Elton John
(Captain Fantastic and the Brown Dirt Cowboy)
Conquest of Paradise
By Vangelis
(1492: Conquest of Paradise)
Features
KSE1500 Earphone Features
- 7-10 hours of battery life
- Analog input
- Color OLED screen
- MFi certified
- Hold switch for locking controls
- Sound Isolating sleeves block up to 37dB of ambient noise
- Support for digital, streaming, and analog sources
- 4-band parametric EQ for customizing an audio signal from the source
- 3.5mm analog line input for any audio source
- Selectable pad for attenuating analog line input signals to 0dB, -10dB, or -20dB
- 24-bit, 96kHz internal DAC with Micro USB input for audio from iOS, Android, and other streaming sources
- EMI Filter -- filters out electromagnetic Interference from mobile phones
- Ability to convert digital audio to analog audio from most portable digital devices: PC, Mac, iOS/Android devices using 24-bit/96kHz sampling rate
- Compatible with Mac, PC, iOS and Android devices via included accessory assortment, featuring Micro-B to Lightning and Micro-B OTG cables
MFi Certification
MFi certification stands for Made for iPhone/iPod/iPad. It's a program that makers of accessories for these "i-devices" must go through to have their hardware approved by Apple. It's an arduous process, but when a product is MFi-certified, you can be sure it's safe to use. The MFi-Certified rating is important because it protects your device from potential damage or harm that could come from using an unauthorized accessory. This includes overheating, improper charging or harm to the battery, port damage, or even iOS inefficiencies. The bottom line is a non-MFi-certified cable can damage your device. That's not a risk you'd want to take with a $3,000 device like the KSE1500.
Create Your Own Sound Signature
A great feature of the KSE1500 is the four-band parametric EQ, which features four customizable settings and five presets: flat, low boost, vocal boost, loudness, and a "de-esser," which reduces sibilance. I had fun playing with these presets. To my ears, the "low boost," "vocal boost," and the "de-esser" produced the most noticeable differences in my music. Listening to vocalists whose voices had a lot of sibilance, I found that the "de-esser" really did mute some of those exaggerated "S" sounds. Low boost, meanwhile, provided a discernible bass boost in every track in which I tested it. Finally, vocal boost made singers' voices sound louder and more forward.
Each user-defined setting features four customizable EQ points (low shelf up to 630 Hz, two frequency-variable peaks, high shelf down to 800 Hz), allowing detailed personal control, shaping and tuning for different musical tone preferences.
About the KSE1500 DAC/Amplifier Enhanced Audio Control
KSE1500 DAC/Amplifier Features
- Digital audio input via USB
- Bit depth: 16-bit / 24-bit
- Sample rate: 44.1 / 48 / 88.2 / 96 kHz
- Analog signal path via standard 1/8" (3.5 mm) “Line In” input/switch
- Bypasses digital processing for pure analog audio (“Bypass” mode)
- Analog input pad settings (10 dB or 20 dB) for managing high input levels
- Input level meter for monitoring signal gain structure
- Volume level meter
- User-selectable limiter
Designed exclusively for the KSE1500 electrostatic earphone system, the DAC amplifier has a 6-pin LEMO connection and electrical circuit customized completely for single-driver electrostatic earphones.
The KSE1500 has an internal DAC. It does 24-bit/96kHz and below very nicely -- it's a very resolving DAC. And the majority of people are only going to use below 24/96 anyway. And most of the music that people listen to is 24/96 or below. So we don't see the fact that the KSE1500's DAC only does 24/96 as a negative. For the listener who only wants to use two devices, with their phone being the source, then they're good to go.
For the listener who wants a high-resolution experience (DSD, 24/192), we recommend adding an external DAC like the Chord Mojo. You put it in line out mode, which bypasses the headphone amp in the Mojo and goes to the KSE1500. This would be for the user who's going to do a desktop system; you're likely not going to want to walk around with three devices (KSE1500, your phone, and a DAC).
Shure spent many years developing the amp/DAC for the KSE1500, much of which was the process of seeking MFi certification. The reason they haven't changed the DAC chip and go to one that does a higher resolution is that going through MFi certification again would be very time-consuming. Again, the DAC with the KSE1500 is very good. But for the listener who wants the best of the best in sound, an external DAC is an option.
Electrostatic Driver Technology
An electrostatic driver (aka transducer) operates by placing a static charge directly onto a super-thin and nearly massless diaphragm. The diaphragm holds a continuous electrical charge and sits between two metal plates called stators to which the audio signal is applied. One of the stators will have the same charge as the diaphragm, and the other will have the opposite charge. The diaphragm will be pushed away by the place with the same charge, and then pulled toward the one with the opposite charge. When an audio signal is sent into the headphone or earphone, the signal of these metal plates switches back and forth at a high rate of speed, causing the diaphragm to stir and displace the air around it, which creates sound.
Electrostatic drivers differ from other driver types in that the diaphragm is the only moving part in the equation. In fact, it can be lighter that the air it is displacing!
Now, electrostatic headphones require specialized high-voltage amplification, which is why the KSE1500 comes with its own discrete amplifier. The bias voltage for the KSE1500 is 200 volts.
Electrostatic drivers are known for producing sound that is clear, fast, detailed, and tight. Their excellent transient response and low distortion make them ideal for critical listening. They are all about subtlety, finesse, and precision vs. impact and emotiveness. Many people enjoy them with classical, jazz, acoustic rock, blues, and other genres where nuance and subtlety abound.
"Each single MicroDriver Sound Isolating Electrostatic Earphone features a virtually weightless, massless diaphragm, surrounded by an electrostatic field generated by back plates that manage charge oscillation. This technology provides the fastest, most accurate transient response available resulting in unmatched audio clarity and detail." – Shure
Dragon Cables
[Silver Dragon Form Fit USB Cable (USB C to USB B Micro), Silver Dragon USB Cable (USB A to USB Micro B)]
There are a lot of reasons why you need to make sure your audio cables are not afterthoughts.
Our HiFi Audio Dragon Cables bring out more of what you love in your music and audio gear. If you love your headphones but wish they had a bit more top-end sparkle - a Silver Dragon Headphone Cable would be a great option. If your USB cables keep dying - as many stock cables do - then check out our quality USB Audio Cables. We say time and time again that materials matter, and our audio cables and custom geometries actually help to bring out those desired properties in your gear and music. We make tons of custom options for our customers so that you can get the right HiFi Audio cable for your exact needs. If you have any questions feel free to Contact Us and we'll be more than happy to help.
Verdict
Shure's years of development on the KSE1500 has yielded a truly remarkable audiophile product: an electrostatic earphone with Sound Isolating technology. If your ears appreciate detail, transparency, openness, and realism, you'll want to give the KSE 1500 a listen. You will be blown away by the intensely clear and natural sound. Electrostat novices should know that it's not going to sound like your typical dynamic or balanced armature IEMs. This is not a "fun" sound, nor is it for those who want a warm or bassy sound (although you do have the option of tweaking the sound via several EQ settings). It's not an analytical or sterile sound, either -- it's got some musicality and some life to it. Connect it to your phone or portable DAP using our Silver Dragon USB Form Fit Cable, or use it at home in a desktop scenario with an external DAC of your choosing. The KSE1500 is great for acoustic music, classical, jazz, blues, and folk music. If you want an electrostatic experience but don't want to be tethered to full-size headphones and amps, the KSE1500 is a wonderful option.
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What's in the Box
- Micro-USB-to-Lightning Cable
- Micro-USB OTG Cable
- Micro-USB to USB Cable
- 3.5mm Cable (6”)
- 3.5mm Cable (36”)
- Leather Case for Amplifier
- Earphone Carrying Case
- Earphone Sleeves
- Airline Adapter
- 1/4” Adapter
- Volume Attenuator
- Cable Clip
- Microfiber Cleaning Cloth
- Rubber Retention Bands (2x)
- USB Power Plug
- 2 Year Limited Warranty
Specifications
General
- Bias Voltage: 200 V DC
- Output Voltage: ±200 V, max.
- Output Current: ≤1 mA
- Noise Attenuation: ≤37 dB
- Operating Temperature Range: 0 to 45 °C (32 to 113 °F)
- Storage Temperature: -18 to 57 °C (0 to 135 °F)
Earphone
- Transducer Type: Electrostatic
- Connector Type: LEMO Connector
- Frequency Response: 10 Hz to 50 kHz
- Maximum SPL: 113 dB SPL
- THD: 1 kHz at 3%
- Net Weight: 44 g (1.55 oz)
Battery
- Battery Type: Rechargeable Li-Ion
- Nominal Voltage: 3.6 V DC
- Battery Life:
- Analog in (BYPASS EQ mode) up to 10 hours
- USB Input Analog in (EQ mode) up to 7 hours
Amplifier
- Bit Depth: 16-bit / 24-bit
- Sampling Rate: 44.1 / 48 / 88.2 / 96 kHz
- Signal-to-Noise Ratio: up to 107 dB A-weighted
- Adjustable Gain Range: -40 dB to +60 dB
- Limiter: Selectable Analog RMS Limiter
- Equalizer: 4-band Parametric
- USB Input: USB Micro-B Receptacle
- Line-In: Input 3.5 mm (1/8")
- Charging Requirements: USB-powered: 5 V/0.5 A to 1 A
- Housing: Black Anodized Aluminum
- Net Weight: 182 g (6.42oz)
- Dimensions: 111 × 59 × 21 mm (4.4 x 2.3 x .8 in) (H x W x D)
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Earphone Net Weight | 44.0 g (1.55 oz.) |
| Amplifier Net Weight | 182.0 g (6.42 oz.) |
| Amplifier Dimensions | 111 × 59 × 21 mm H × W × D |
| Housing | Black Anodized Aluminum |
| Technical Specifications | |
| Noise Attenuation | ≤37 dB |
| Operating Temperature Range | 0 to 45 °C (32 to 113 °F) |
| Storage Temperature | -18 to 57 °C (0 to 135 °F) |
| Audio Specifications - Earphone | |
| Transducer Type | Electrostatic |
| Frequency Response | 10 Hz to 50 kHz |
| Maximum SPL | 113 dB SPL (1 kHz at 3% THD) |
| Audio Specifications - Amplifier | |
| Bit Depth | 16-bit / 24-bit |
| Sampling Rate | 44.1 / 48 / 88.2 / 96 kHz |
| Signal-to-Noise Ratio | up to 107 dB A-weighted |
| Adjustable Gain Range | -40 dB to +60 dB |
| Limiter | Selectable Analog RMS Limiter |
| Equalizer | 4-band Parametric |
| Connectivity Specifications | |
| Connector Type | LEMO Connector |
| USB Input | USB Micro-B Receptacle |
| Line-In | Input 3.5 mm (1/8") |
| Power Specifications | |
| Bias Voltage | 200 V DC |
| Output Voltage | ±200 V, max. |
| Output Current | ≤1 mA |
| Battery Type | Rechargeable Li-Ion |
| Nominal Voltage | 3.6 V DC |
| Battery Life | Analog in (BYPASS EQ mode) up to 10 hours USB Input Analog in (EQ mode) up to 7 hours |
| Charging Requirements | USB-powered: 5 V/0.5 A to 1 A |
| Warranty Information | |
| Warranty Coverage | 2 Year Limited Warranty |
