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QTX QA400 Power Amplifier

£13399
The RRP is the manufacturer's recommended retail price of the item.
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Description

The QTX QA400 stereo amplifier delivers 2 x 200W max at 4 Ohms (2 x 100W RMS), 2 x 70W RMS at 8 Ohms, in a rugged 2U rackmount chassis. Designed for reliability and straightforward operation, it features balanced XLR/jack combo and RCA inputs, with SPK, jack, and 4mm binding post outputs. Protection against overheating and overloads is built-in, while fan cooling ensures consistent performance. With 0.25% THD and 90dB SNR, the QA400 delivers efficient, high-quality sound at an accessible price point.

  • High power delivery
  • Overheat/overload protection
  • Multiple input and output connection types
  • 2U 19" rack mountable
  • Balanced and unbalanced inputs
Specification
Power supply 110/240Vac, 50/60Hz (IEC)
THD 0.25%
SNR 90dB
Inputs Combo (6.3mm jack + XLR) and RCA
Outputs SPK, 6.3mm jack and 4mm binding posts
Power max. @ 4 Ohms 2 x 200W
Power rms @ 4 Ohms 2 x 100W
Power rms @ 8 Ohms 2 x 70W
Dimensions 88 x 482 x 270mm
Weight 6.8kg
Fuse rating T5A (240V) / T10A (110V)
Downloads

Product Manual

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    A QTX QA400 Power Amplifier in black, featuring a dual-channel setup with a metal rackmount design. The front panel includes two knobs, LED indicators, and a power button, with the brand logo on the left side, emphasizing its high power delivery capabilities among amplifiers.
    AVSL

    QTX QA400 Power Amplifier

    £13399
    Description

    The QTX QA400 stereo amplifier delivers 2 x 200W max at 4 Ohms (2 x 100W RMS), 2 x 70W RMS at 8 Ohms, in a rugged 2U rackmount chassis. Designed for reliability and straightforward operation, it features balanced XLR/jack combo and RCA inputs, with SPK, jack, and 4mm binding post outputs. Protection against overheating and overloads is built-in, while fan cooling ensures consistent performance. With 0.25% THD and 90dB SNR, the QA400 delivers efficient, high-quality sound at an accessible price point.

    Specification
    Power supply 110/240Vac, 50/60Hz (IEC)
    THD 0.25%
    SNR 90dB
    Inputs Combo (6.3mm jack + XLR) and RCA
    Outputs SPK, 6.3mm jack and 4mm binding posts
    Power max. @ 4 Ohms 2 x 200W
    Power rms @ 4 Ohms 2 x 100W
    Power rms @ 8 Ohms 2 x 70W
    Dimensions 88 x 482 x 270mm
    Weight 6.8kg
    Fuse rating T5A (240V) / T10A (110V)
    Downloads

    Product Manual

    View product
    Description

    The QTX QA400 stereo amplifier delivers 2 x 200W max at 4 Ohms (2 x 100W RMS), 2 x 70W RMS at 8 Ohms, in a rugged 2U rackmount chassis. Designed for reliability and straightforward operation, it features balanced XLR/jack combo and RCA inputs, with SPK, jack, and 4mm binding post outputs. Protection against overheating and overloads is built-in, while fan cooling ensures consistent performance. With 0.25% THD and 90dB SNR, the QA400 delivers efficient, high-quality sound at an accessible price point.

    • High power delivery
    • Overheat/overload protection
    • Multiple input and output connection types
    • 2U 19" rack mountable
    • Balanced and unbalanced inputs
    Specification
    Power supply 110/240Vac, 50/60Hz (IEC)
    THD 0.25%
    SNR 90dB
    Inputs Combo (6.3mm jack + XLR) and RCA
    Outputs SPK, 6.3mm jack and 4mm binding posts
    Power max. @ 4 Ohms 2 x 200W
    Power rms @ 4 Ohms 2 x 100W
    Power rms @ 8 Ohms 2 x 70W
    Dimensions 88 x 482 x 270mm
    Weight 6.8kg
    Fuse rating T5A (240V) / T10A (110V)
    Downloads

    Product Manual