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Astell & Kern SEM2 Module for SE180 DAP

$349.00
In Stock

SEM2 is an Interchangeable All-in-One module for the SE180 Shape your Sound with the Asahi Kase… More details

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Shape your Sound with SEM2

SEM2 is an Interchangeable All-in-One module for the SE180. Shape your Sound with the Asahi Kasei AK4497EQ Dual DAC SEM2. Give your SE180 a different sound than the bundled module. SEM2 supports up to 32bit/768kHz / Native DSD512.

SEM2

SEM2

Next Generation Advanced AMP Technology

Next generation AMP technology is also applied in the SEM2 all-in-one module.

From the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.

Even with a high output, the signal-to-noise (SNR), one of the important measurements of audio performance, boasts an amazing 127dB (based on AK4497EQ Dual, Balanced, High Gain).


Circuit Separation Structure of Main Body and Module

By physically separating the main body from the All-in-One module, Astell&Kern completely block power and RF noise that may occur from the main body. This creates an independent structure that prevents noise from interfering with music playback. Balanced and unbalanced signals are separated for each channel to provide the best possible sound through independent circuit design without interference.

MAIN

SEM2 Circut 1

DAC Module

SEM2 Circut 2

Astell&Kern Audio Technology Forms the TERATON ALPHA Sound Solution


SE180-tetron-alpha

AK ULTIMATE SOUND SOLUTION, TERATON ALPHA

TERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.

TERATON ALPHA features Astell&Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.

Astell&Kern SEM2 Dual DAC for SE180 Music Player Review Moon Audio
Moon Audio

by Ricky Kovacs
Aug. 2021

ASTELL & KERN SE180 REVIEW (SEM2) Headfonia
SEM2 Review

by Headfonia
Aug. 2021


AK Player Comparison

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SE 180
SE 180
$1,499
Moon Silver
 
 
 
Aluminum
 
3.98" x 6.1" x 2.4"
TBD
5" Touchscreen
HD 1920x1080
Single DAC:
ESS ES9038PRO

USB Type-C Input
Outputs
3.5mm Unbalance
2.5mm Balance
4.4mm Balaced

Battery Life
10.5hr Playback
--
5hr charge (5V/2A)
3.5hr chg (9V/1.67A)
Storage
256GB Internal
microSD ≤1TB
 
Supports WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Windows 8, 10 (32/64bit)
MAC OS X 10.7+
Wi-Fi, Bluetooth v5.0
Decoding
≤32bit / 384kHz
Native DSD
 
Frequency Response
Condition: 20Hz-20kHz
±0.04dB Unbalance
±0.024dB Balance
Condition: 20Hz-70kHz
±0.07dB Unbalance
±0.06dB Balance
Output Level
2-3 Vrms Unbalance
4-6 Vrms Balance
 
Impedance
0.1 Ohm (3.5mm)
1.5 Ohm (2.5mm)
1.5 Ohm (4.4mm)
SE 180
SE 180 + SEM2
$1,499 + $349
Moon Silver
 
 
 
Aluminumm
 
3.98" x 6.1" x 2.4"
TBD
5" Touchscreen
HD 1920x1080
DUAL DAC:
AKM AK4497EQ

USB Type-C Input
Outputs
3.5mm Unbalanced
2.5mm Balanced
4.4mm Balaced

Battery Life
10.5hr Playback
--
5hr charge (5V/2A)
3.5hr chg (9V/1.67A)
Storage
256GB Internal
microSD ≤1TB
 
Supports WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Windows 8, 10 (32/64bit)
MAC OS X 10.7+
Wi-Fi, Bluetooth v5.0
Decoding
≤32bit / 768kHz
Native DSD
 
Frequency Response
Condition: 20Hz-20kHz
±0.07dB Unbalance
±0.06dB Balance
Condition: 20Hz-70kHz
±0.068dB Unbalance
±0.067dB Balance
Output Level
2-3 Vrms Unbalance
4-6 Vrms Balance
 
Impedance
0.1 Ohm (3.5mm)
1.5 Ohm (2.5mm)
1.5 Ohm (4.4mm)
SE 180
SE 180 + SEM3
$1,499 + $399
Moon Silver
 
 
 
Aluminumm
 
3.98" x 6.1" x 2.4"
TBD
5" Touchscreen
HD 1920x1080
QUAD DAC:
ESS ES9038Q2M

USB Type-C Input
Outputs
3.5mm Unbalanced
2.5mm Balanced
4.4mm Balaced

Battery Life
13hr Playback
--
5hr charge (5V/2A)
3.5hr chg (9V/1.67A)
Storage
256GB Internal
microSD ≤1TB
 
Supports WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Windows 8, 10 (32/64bit)
MAC OS X 10.7+
Wi-Fi, Bluetooth v5.0
Decoding
≤32bit / 768kHz
Native DSD
 
Frequency Response
Condition: 20Hz-20kHz
±0.05dB Unbalance
±0.068dB Balance
Condition: 20Hz-70kHz
±0.05dB Unbalance
±0.068dB Balance
Output Level
2-3 Vrms Unbalance
4-6 Vrms Balance
 
Impedance
0.1 Ohm (3.5mm)
1.5 Ohm (2.5mm)
1.5 Ohm (4.4mm)
Select a DAP to view and compare specifications

General Specifications

Model PAP12
Body Material Aluminum, Stainless Steel, Polycarbonate
Body Color Moon Silver
Sample Rate PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo / DSD512(1bit 22.4MHz), Stereo
Output Unbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported / 4.4mm, only 5-pole supported)
Output Level [Normal Gain] Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load) [High Gain] Unbalanced 3Vrms / Balanced 6Vrms (Condition No Load)
DAC AKM AK4497EQ x2 (Dual DAC)
Decoding Support up to 32bit / 768kHz Bit-to-Bit playback
Dimensions 3.03"(77mm)[W] x 2.99"(76mm)[H] x 0.78"(19.9mm)[D]
Weight 3.53oz (100g)
Operating Temperature 3.53oz (100g)
Playback Time about 10.5hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off)

Audio Performance

Frequency Response ±0.07dB (Condition : 20Hz~20kHz) Unbalanced / ±0.06dB (Condition : 20Hz~20kHz) Balanced ±0.68dB (Condition : 20Hz~70kHz) Unbalanced / ±0.67dB (Condition : 20Hz~70kHz) Balanced
Signal to Noise Ratio [Normal Gain] 122dB @ 1kHz, Unbalanced / 124dB @ 1kHz, Balanced [High Gain] 125dB @ 1kHz, Unbalanced / 127dB @ 1kHz, Balanced
Crosstalk [Normal Gain] -138dB @ 1kHz, Unbalanced / -145dB @ 1kHz, Balanced [High Gain] -138dB @ 1kHz, Unbalanced / -147dB @ 1kHz, Balanced
THD+N [Normal Gain] 0.0006% @ 1kHz, Unbalanced / 0.0005% @ 1kHz, Balanced [High Gain] 0.0008% @ 1kHz, Unbalanced / 0.0006% @ 1kHz, Balanced
IMD SMPTE 0.0002%, 800Hz 10kHz (4:1), Unbalanced / 0.0002%, 800Hz 10kHz (4:1), Balanced
Output Level 3.5mm (1ohm) / 2.5mm (1.5ohm) / 4.4mm (1.5ohm)

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