INFINITY-REF475A

475a - 4 channel amplifier

£149.99

4-Channel full-range amplifier with on-board electronic crossover and variable bass boost.

The Reference 475a's high-output PWM MOSFET power supply ensures optimum power delivery into numerous impedances with low distortion.

A variable bass boost circuit is provided to optimize the low fequency performance of your system.

Full range preamp outputs are provided facilitating multiple amplifier hookups without the need for costly Y-adapters or signal splitters.

The 475a comes outfitted with a variable 12dB per octave electronic crossover allowing you to optimize system tuning based on speaker location and accompanying loudspeaker components

4/3/2 channel amplifier
Power Output 75 watts RMS x 4 channel at 4 ohms OR, 180 watts RMS x 2 channel at 4 ohms,
tri-channel mode: 2 x 75W RMS + 180W RMS for bass
Signal-to-Noise Ratio 85dBA (reference 1 watt into 4 ohms)
Dynamic Power 117 watts at 2 ohms
Effective Damping Factor 6.315 at 4 ohms
Frequency Response (-3dB) 10Hz to 100kHz (-3dB)
Maximum Input Signal 6V
Maximum Sensitivity 100mV