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We guarantee that all of our stock is 100% genuine,
Australian sourced stock, with full local warranty.
Colour: Black


  • Low distortion while outputting high power
  • High-precision CNC-machined all-aluminium housing
  • Three sets of balanced inputs, compatible with XLR and TRS interfaces
  • 2 step gain settings: +6.7dB low gain, +19dB high gain
  • Mono mode and stereo mode
  • 12V Trigger Interface for linking with other devices

THD+N @1kHz (A-wt)

Stereo: <0.00009% @4Ω 5W, <0.00009% @8Ω 5W
Mono:<0.0001% @8Ω 5W

THD+N @No-wt (90kBw)

Stereo: <0.0017% @4Ω 5W, <0.0009% @8Ω 5W
Mono: <0.0012% @8Ω 5W

SNR @A-wt

Stereo: 140dB
Mono: 142dB

Dynamic range @A-wt

Stereo: 140dB
Mono: 142dB

Frequency response

20Hz-40kHz (±0.2dB)
10Hz-100kHz (±1.0dB)

Output level

Stereo: 51Vpp @4Ω, 58Vpp @4Ω
Mono: 98Vpp @8Ω

Noise @A-wt

Stereo: <2.0uVrms @G=L, <3.5uVrms @G=H
Mono: <2.8uVrms @G=L, <5.0uVrms @G=H

Channel Crosstalk @1kHz Stereo: -138dB
Input sensitivity 6.9Vrms @G=L
2.2Vrms @G=H
Gain Stereo: 9.5dB @G=L, 19.2dB @G=H
Mono: 15.5dB @G=L, 25.2dB @G=H
Channel balance Stereo: 0.2dB
Output impedance Stereo: <3mΩ
Mono: <5mΩ
Output power Stereo:
110W x 2 @4Ω THD+N<10%
90W x2 @4Ω THD+N<1%
63W x2 @8Ω THD+N<10%
50W x2 @8Ω THD+N<1%
220W x1 @8Ω THD+N<10%
180W x1 @8Ω THD+N<1%
Load impedance Stereo: ≥4Ω
Mono: ≥8Ω
  • Topping LA90 Power Amplifier
  • AC to DC power adaptor
  • Jumper cable
  • AC cable
  • User manual
  • Warranty card

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