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Astell&Kern

Astell&Kern All-in-One Module SEM2 for SE180 Player

SEM2 is an Interchangeable All-in-One module for the SE180 featuring the Asahi Kasei AK4497EQ Dual DAC for a different sound from included module.

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Shape your Sound with SEM2

Give your SE180 a different sound from the bundled SE1 module, SEM2 features a dual DAC AK4497EQ circuit and supports up to 32bit/768kHz / Native DSD512. 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).

Features

• Aluminium, stainless steel and poly-carbonate body

• Double lock design

• SE (3.5mm) Out, Balanced (2.5mm, 4-pole)/(4.4mm, 5-pole) Out

• Weight 3.53oz

• Moon Silver Body Color

• 10.5 hour playback time (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off)

• AKM AK4497EQ x2 (Dual DAC)

• Support up to 32bit / 768kHz Bit-to-Bit playback

• DSD128(1bit 5.6MHz) / DSD256(1bit 11.2MHz) / DSD512(1bit 22.4MHz)

The Specs

Frequency Response: 20Hz~20kHz: ±0.07dB Unbalanced / ±0.06dB Balanced

Signal to Noise Ratio @ 1khz: [Normal Gain] SE 122dB / BAL 124dB [High Gain] SE 125dB / BAL 127dB

Crosstalk @ 1kHz: [Normal Gain] SE -138dB / BAL -145dB [High Gain] SE -138dB / BAL -147dB

THD+N @ 1kHz: [Normal Gain] SE 0.0006% / BAL 0.0005% [High Gain] SE 0.0008% / BAL 0.0006%

Output Impedance: 3.5mm(1Ω),2.5mm(1.5Ω),4.4mm(1.5Ω)

Headphone Power Output (Condition No Load):[Normal Gain] Single Ended 2Vrms / Balanced 4Vrms [High Gain] Single Ended 3Vrms / Balanced 6Vrms

Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA

SEM2

About Astell&Kern

Astell&Kern is the group responsible for some of the world's best portable music players. The latest models include a full slate of features such as Bluetooth and Wi-Fi playback with Spotify, Tidal, and Qobuz.