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Infinity - Reference 475A 4-Channel Full-Range Amplifier

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Rs  9,875
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  • 4-Channel full-range amplifier
  • High-output PWM MOSFET power supply
  • Allows for connection to both a preamp level signal and direct connection
  • Can't find your Car Audio Systems,
  • Suitable For All Car Make Models
  • SUPC: 1830696


Amplifier 4-Channel Full-Range Amplifier
Signal-to-noise ratio 85dBA (reference 1 watt into 4 ohms)
Dynamic power 117 watts at 2 ohms
Effective damping factor 6.3 at 4 ohms
Frequency response 10Hz – 100Hz (–3dB)
Maximum input signal 6V
Maximum sensitivity 100mV
Dimensions (L x W x H) 14-3/16 Inch x 9 Inch x 2-11/16 Inch(360mm x 229mm x 68mm)
12dB built-in variable electronic crossover Yes
Variable bass-boost 0 to +6dB @ 50Hz
One pair full-range preamp outputs Yes
Port for future accessory products Yes
Additional 75 Watts RMS x 4 channels at 4 ohms and Square-1% THD + N, 90 Watts RMS x 4 channels at 2 ohms, 14.4V supply and Square-1% THD + N, 180 Watts RMS x 2 channels at 4 ohms, 14.4V supply and Square-1% THD + N
Period 1 Year Manufacturer Warranty


The REF475A is engineered to bring clarity and depth to your system. It is a 4-Channel full-range amplifier.

This 4-Channel full-range amplifier with on-board electronic crossover and variable bass boost is a high-performance product.The RCA low-level inputs on the 475A allow for connection to both a preamp level signal and direct connection to a high-level factory head unit. This comes outfitted with a variable 12dB per octave electronic crossover permitting you to optimize system tuning based on speaker location and accompanying loudspeaker components.A variable bass boost circuit is given to optimize the low frequency performance of your system. Full range preamp outputs are provided facilitating multiple amplifier hook-ups without the need for costly Y-adapters or signal splitters.The Reference 475A's high-output PWM MOSFET power supply ensures optimum power delivery into numerous impedances with low distortion.

About the brand-

A world where technology, performance and design come together to create exceptional speakers for any room or style that stimulates the senses and excites the mind.?? Infinity is the science of sound on the move, one innovation at a time, for over 40 years.As their first product in 1968 ??? an innovative electrostatic speaker with a servo-controlled subwoofer ??? became very highly rated and they found that sonic perfection in the reproduction of recorded sound could be a feasible objective. Infinity's first 44 years have resulted in a continuous line-up of quality systems and technical improvements that have been roundly praised by critics and have been widely copied by competitors.??

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