ALLO RELAY ATTENUATOR Volume Relay Attenuator for Piano DAC and Boss DAC

ALLO RELAY ATTENUATOR Volume Attenuator for Piano DAC, Piano 2.1 DAC, Boss DAC

Average votes for this product
4.0 / 5

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Reference : 12076
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59,90 €tax incl.

49,92 € tax excl.
Including 0,01 € for green tax

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Shipping date: 24-09-2018.

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

Produit garantie 2 ans


More info

ALLO Relay Attenuator

Switchable volume attenuator

The Relay Attenuator provides low distortion analog volume management for Raspberry Pi-compatible ALLO DACs. Equipped with 24-resistor, high-precision film (Omron) technology, this switching volume controller is ideal for demanding amateurs desiring a non-destructive volume bringing dynamic, timbre and sound scene to realistic size even at low level.

The Relay-Attenuator also has a gold-plated stereo RCA input and output that will allow you to connect your USB DAC to your amplifier.

Mitigation measures by step

This attenuator is compatible with the following DACs for PI3:

Warning: Alonethe Allo Relay Attenuator and its screws are supplied. The Raspberry Pi and Piano 2.1 are sold separately.


  • DAC Compatibility: Piano, Piano 2.1, Boss DAC (On Raspberry PI 3)
  • Isolation I2C and GPIO
  • Resistors: Brand SUSUMU Precision 0.1% 25ppm
  • Nominal value: 10k
  • Compatible with Raspberry Pi3 and Sparky SBC
  • Can operate autonomously

Allo Relay Attenuator

Data sheet
Channel2 channels (Stéréo)
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Average votes
4.0 / 5
1 reviews
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Does its job with some limitations
It works pretty well if volume changing is done gradually 1 step at time.
Increasing volume of many steps at once generates a "pop" noise on the output.

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