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AB International 644

Four Channel Power Amplifier

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AB International 644

Specifications

Power output: 270 watts per channel into 8Ω (stereo), 270W (4 channel)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.25%

Gain: 28 dB

Input sensitivity: 1V

Signal to noise ratio: 101dB

Speaker load impedance: 2Ω (minimum)

Dimensions: 17.375 x 5.25 x 13.5 inches

Weight: 13.2kg

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