TOPPING

TOPPING PA5 High-Performance Power Amplifier

$349

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Fully balanced, super efficient 

The TOPPING PA5 is a fully balanced Class D power amplifier--an affordable and efficient option for powering your bookshelf or floor stand speakers. As a balanced amplifier, it powers each incoming channel with a separate amplifier chip. As a Class D amp, it uses far less power than Class A amps, making it super efficient.

Fully-balanced Class D amplification

The newly developed Class-D amplification circuit uses multiple novel optimization techniques to fully push the performance and output power to the maximum. The new circuit provides crisp, clean, and deep sound with a completely inaudible noise floor. The fully balanced structure results in zero hum, zero noise, and zero ground loop noise.

High output power

The PA5 can output 140W x2 @ 4Ω load. This highly powerful output is sufficient to drive most speakers and applications.

Balanced TRS inputs

Connect multiple sources via TRS balanced inputs. The balanced input option eliminates potential ground loop problems, providing pristine audio without hum.

Product highlights

  • 140W x2 @4Ω output power
  • Fully-balanced amplifier 
  • SNR: 124dB
  • THD+N: <0.0004%
  • Inputs: TRS x 2

Specs

  • Power input: DC38V/4.0A
  • Signal inputs: Balance 1 (TRS), Balance 2 (TRS)
  • Signal output: Speaking terminal (BTL output)
  • Display: LED
  • Standby power consumption: <0.1W
  • THD+N @1kHz (A-wt): <0.0005% @4Ω 5W / <0.0004% @8Ω 5W
  • THD+N @No-wt (20kBW): <0.0015% @4Ω 5W / <0.0006% @8Ω 5W
  • SNR: 124dB
  • Dynamic range: 124dB
  • Frequency response: 20Hz - 40kHz (±0.3dB)
  • Output level: 65Vpp @RL=4Ω / 68Vpp @RL=8Ω 
  • Noise @ A-wt: <16uVrms
  • Channel crosstalk @1kHz: -106dB
  • Input sensitivity: 2.6 Vrms
  • Gain: 19.1dB
  • Channel balance: 0.1dB
  • Output impedance: <0.01Ω
  • Output power
    • 140W x2 @4Ω THD+N<10%
    • 125W x2 @4Ω THD+N<1%
    • 85W x2 @8Ω THD+N<10%
    • 65W x2 @8Ω THD+N<1% 
  • Adapter impedance: 3-8Ω
  • Weight: 1.49lbs (0.68kg)
  • Dimensions: 6.5 x 5 x 1.6” (16.6 x 12.9 x 4.1 cm)

What’s included

  • TOPPING PA5
  • Power adapter
  • Power cable
  • User manual
  • Warranty card

What pairs well

TOPPING PA5 High-Performance Power Amplifier User Manual Download

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