Topping PA5 High-Performance Power Amplifier

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.   Specs: Power input: DC38V/4.0A Signal inputs: Balance 1 (TRS), Balance 2 (TRS) Signal output: Speaking terminal (BTL output) 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)