Digital Interface Module SRC AK4137 I2S USB Optical 32bit 384kHz DSD256 avec Écran

Digital Interface Module AK4137 I2S USB Optical 32bit 384kHz DSD256 avec Écran
This extremely versatile digital interface module is equipped with an AK4137EQ AKM Sampling Rate Converter (SRC) chip at the heart of its architecture. This chip supports high sampling rates up to 32bit 768kHz in PCM and up to DSD256.

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82,50 €tax excl.

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Shipping date: 28-10-2020.

Orders placed before 11AM (GMT+1) will be shipped the same day (working day).

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Accessories for this product

Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.

 
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AK4137EQ Interface Module

Digital Interface Module SRC AK4137 I2S USB Optical 32bit 384kHz DSD256 avec Écran

Module Interface Numérique AK4137EQ I2S USB Optique 32bit 384kHz DSD256 avec Écran

This extremely versatile digital interface module is equipped with an AK4137EQ AKM Sampling Rate Converter (SRC) chip at the heart of its architecture. This chip supports high sampling rates up to 32bit 768kHz in PCM and up to DSD256 and will allow you to enjoy your high resolution files for an incredibly accurate music experience. On the connector side, there is a Toslink optical input and an I2S output on a 20-pin connector. It is then possible to add AES, Coaxial, BNC and USB input via an XMOS or Amanero interface. The interface managing SPDIF flows is an AKM AK4118AEQ chip, which considerably reduces jitter. In the same idea of reducing the jitter, the module includes two clocks of different frequencies for a perfect synchronization of the signals.

The module is delivered with an OLED screen displaying the active source, file format, sampling rate or filter. The display simply connects to a dedicated port. The module also comes with an IR remote control and a panel with button and IR receiver.

The functions of the button are as follows:

  • Short press when on main screen : input selection
  • Long press when on main screen : Open setting menu
  • Short press when on setting menu : mody a parameter value
  • Long press when on setting menu : go to next parameter

It is possible to select the origin of the MCLK signal. The MCLK signal comes from the AK4137 chip, the contacts J1 being connected. By removing the solder between these contacts J1 and connecting the contacts J2, the MCLK signal will then come from the oscillators.

I2S input pinout

Pin numberDescription
1NC
2NC
3DA (DATA/DSD_R)
4BC (BCK/DSD_BCK)
5LR (LRCK/DSD_L)
6MC (MCLK)
7DE (DSD_ON)
8G (GND)
9NC
10NC
11MU (Mute)
12NC
13G (GND)
14G (GND)
15G (GND)
16NC
17F3 (signal sampling rate)
18F2 (signal sampling rate)
19F1 (signal sampling rate)
20F0 (signal sampling rate)

I2S output pinout

Pin numberDescription
1NC
2SC (SCL)
3DA (DATA/DSD_L)
4BC (BCK/DSD_BCK)
5LR (LRCK/DSD_R)
6MC (MCLK)
7DE (DSD_ON)
8G (GND)
9V3 (Sortie 3.3V)
10V3 (Sortie 3.3V)
11MU (Mute)
12SD (SDA)
13G (GND)
14G (GND)
15G (GND)
16MK (Mute_K)
17NC
18F2 (signal sampling rate)
19F1 (signal sampling rate)
20F0 (signal sampling rate)

Sampling rate selection

The following table shows the sampling rates that can be selected using pins F0, F1, F2 and DSD_ON. Pin F3 is always at 0V. A check mark corresponds to a high level 3.3V signal and a cross to a low level 0V signal.

44.1kHz48kHz88.2kHz96kHz176kHz192kHz352kHz384kHzDSD64kHzDSD128kHzDSD256kHz
F0
F1
F2
DSD_ON

Screen

Module Interface Numérique AK4137EQ I2S USB Optique 32bit 384kHz DSD256 avec Écra
1Active input
2File format
3Mute
4Input sampling rate
5Active filter
6Dither
7Output sampling rate
8Output sampling rate

Output sampling rate

I32B32bit, I2S
I24B24bit, I2S
I20B20bit, I2S
I16B16bit, I2S
R32B32bit, Right Justified
R24B24bit, Right Justified
R20B20bit, Right Justified
R16B16bit, Right Justified
L32B32bit, Left Justified
L24B24bit, Left Justified
L20B20bit, Left Justified
L16B16bit, Left Justified
DSDDSD output format
AUTO FS32bit, I2S output, automatic sampling rate

Filters

F1Sharp Roll-Off Filter
F2Slow Roll-Off Filter
F3Short Delay Sharp Roll-Off Filter
F4Short Delay Slow Roll-Off Filter

Technical characteristics

Specifications
Product typeDigital interface module
SRC ChipAKM AK4137EQ
SPDIF Interface chipAKM AK4118AEQ
Supported sampling ratesOptical, Coaxial, RCA, AES : PCM up to 24bit 192kHz
USB (with XMOS / Amanero interface, sold separately) : PCM up to 32bit 384kHz - DSD up to DSD256
Inputs1x Optical Toslink
1x Slot for USB XMOS or Amanero interface (interface sold separately)
1x Slot for AES (connector sold separately)
1x Slot for Coaxial RCA (connector sold separately)
1x Slot for BNC connector (connector sold separately)
Output1x I2S 20 pins
general
Power supply5V DC on screw terminal (power supply sold separately)
Dimensions105 x 71.3mm
Screen module dimensions35.4 x 33.7mm
Screen module mouting holes spacing30 x 29mm
Fixation holes spacing84 x 62mm
Package1x AK4137 Interface module
1x Screen
1x IR Remote control (CR2032 battery sold separately)
1x Button + IR Receiver module
1x Ribbon cable and 4 pins connector
Screen screws
 
Data sheet
InputUSB-B
InputOptical Fiber
InputUSB Amanero
InputSPDIF
InputUSB 2.0
InputUSB XMOS
InputXLR
OutputI2S
Max sampling rateDSD256
Max sampling rate384kHz
Channel2 channels (Stereo)
 
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Average votes
5.0 / 5
1 reviews
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 5/5
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Very good device and worth the money. Changing the Clocks a nobrainer!
A good Power supply is essential in this league!
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This review has been posted for Digital Interface Module SRC AK4137 I2S USB Optical 32bit 384kHz DSD256 avec Écran
 
Digital Interface Module SRC AK4137 I2S USB Optical 32bit 384kHz DSD256 avec Écran
This extremely versatile digital interface module is equipped with an AK4137EQ AKM Sampling Rate Converter (SRC) chip at the heart of its...

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