Pro-Ject Amp Box DS Monoblock Amplifier

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  • Regular price $499.00

The Amp Box DS is an ultra-efficient Bi-Phase PWM (Pulse Width Modulation) monaural amplifier circuit that delivers outstanding audio performance while consuming little energy. This new cool-running circuitry exhibits not only 92% efficiency from AC to power output, but also exhibits extremely low signal spectrum distortion. The sound of the amplifier was voiced to the likes of Class A tube topology to deliver a liquid and lifelike musical presentation. Being it is micro-sized in comparison to its power output, the AMP Box DS lends itself to be used in multiples for Bi and Tri-amplification applications. Gold plated 5-way binding posts suitable for banana jacks, spades, pins or bare wire ensuring a reliable and stable connection. Additionally, a trigger in/out loop is provided allowing for remote on/off from you source component. A 48V external power supply is provided that is capable of the power reserves needed for demanding musical dynamics and powerful bass response.

Price above is for a single monoblock amplifier. For a two channel system, you need to order two.


Power Output
1 x 110W / 190W at 8 ohms / 4 ohms
Frequency Response
10Hz - 50kHz (+0dB, -3dB)
Noise Floor
> -90dB (A-Weighted)
< 0.1%
1 RCA Jacks
Input Sensitivity
Input Impedance
100k ohms
Speaker Connectors
4mm Banana Jacks, Spades, Pin or Bare Wire
12V DC Switching Voltage
Trigger In/Out
2-Pole Co-Axial 2.5mm Jack
Power Supply
48V / 2.5A DC
Power Consumption
2.5A DC
Dimensions (WHD)
4.1 x 2.9 x 5.7 in., 103 x 72 x 144 mm
2.9lbs., 1,290g
Black or Silver