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Pro-Ject Amp Box DS Stereo Power Amplifier
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Pro-Ject Amp Box DS Stereo Power Amplifier

£290.83 Exc. VAT |  





Project Amp Box DS Stereo Power Amplifier



The Amp Box DS is a powerful stereo amplifier with audiophile qualities that will carry large speakers with ease. The sound output from the Amp Box DS is full of warmth, power and colour, without giving a "digital" sound.

An ultra high-efficiency Bi-Phase PWM (Pulse Wave Modulation) circuit with SMD parts gives outstanding audio performance while staying cool on the outside. Sound quality is aimed to be as close as possible to Class A tube amplifiers with their liquid and lifelike presentation. 


  • Improved Pulse Wave Modulation (PWM) circuitry 
  • Improved signal spectrum and lower distortion
  • Can be driven at 2Ω
  • 2 x 100W @ 8Ω / 2 x 180W @ 4Ω 
  • Frequency response: 10Hz-50kHz 
  • High-efficiency design (approx. 92% of power consumption goes to audio output) 
  • Cool running in operation
  • Trigger input and loop-out 
  • Metal casing protects against vibration and interference
  • Available in two finishes


Power Output:

2 x 100W @ 8Ω
2 x 180W @ 4Ω
(2Ω Drive Capability)

Frequency Response:

10Hz - 50kHz (+0dB, -3dB)

Signal-to-Noise Ratio:

> -90dB (IEC - A)


< 0.1% @ 90W

Line Level Input:

1 Pair RCA Sockets

Input Sensitivity:


Input Impedance:


Speaker Output:

4mm Ø Banana Plugs
Spades Connectors or
Bare Wire

Trigger In And Out (12V DC):

2-Pole Ø 2.5mm Jack

Outboard Power Supply:

48V/2.5A DC
Suitable For Your Country's Mains Supply

Dimensions (W x H x D):

103 x 72 x 144mm
103 x 72 x 163mm (Incl. Sockets)


1,400g (Without Power Supply)








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