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Sorry! Arc Audio - KS125.4MINI - 4 Channel Amplifier is sold out.

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Arc Audio - KS125.4MINI - 4 Channel Amplifier

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  • Optically Isolated MOSFET Power Supply
  • Auto Turn On Circuit
  • 2x40 Amp Fuse
  • Compact Chasis Design
  • Non-Digital Class H Switching Design
  • 15dB at 45Hz Bass Boost
  • Butterworth Crossover (55Hz to 550Hz)
  • High Level Speaker Inputs
  • Protection against Over-Voltage, Speaker Short and Thermal Overload
  • Can't find your Car Audio Systems,
  • Suitable For All Car Make Models
  • SUPC: SDL225250648


Technical Specifications
4 Channels at 4 Ohms 75W
4 Channels at 2 Ohms 125W
2 Channels at 2 Ohms (Bridged) 250W
Frequency response 10Hz to 50KHz
Crossover Butterworth (55Hz to 550Hz)
Bass Boost 15dB aty 45Hz
Signal-to-Noise ratio 92dB
Fuse 2x40 Amp
Dimensions 11.6 Inch x 5.15 Inch x 1.7 Inch
Period 1 Year Brand Warranty


Designed for small compact cars and large motorcycles, the Arc Audio 70/4 WATT 4 CHANNEL AMP KS125.4 Mini Amplifier is the perfect accessory to give you the perfect sound. It is packed to the hilt with exciting features to provide you with the ultimate sonic experience.

The Arc Audio 70/4 WATT 4 CHANNEL AMP KS125.4 Mini Amplifier is engineered to perfection in the USA. With a compact design, the amplifier is perfect for small vehicles and motorcycles. The amplifier features a Non-Digital Class H Switching Design. The Arc Audio 70/4 WATT 4 CHANNEL AMP KS125.4 has an optically isolated MOSFET power supply. The amplifier features High Level Speaker Inputs for easy OEM Integration on to most factory-made radios and audio equipment. To further simplify OEM integration, the Arc Audio 70/4 WATT 4 CHANNEL AMP KS 125.4 Mini uses a fully balanced input stage that is a switchblade between the speaker and the input RCA's supplying a perfect clean signal to turn the amplifier off and on.

The Arc Audio 70/4 WATT 4 CHANNEL AMP KS125.4 uses a patent-pending Auto Turn-On circuit which offers significant reliability and improvements ion operations. The amplifier does not turn off unexpectedly in the middle of operation, instead it detects the BTL IC (Chip AMP) used in the majority of stock head units and amplifiers.

The Arc Audio 70/4 WATT 4 CHANNEL AMP KS125.4 Mini Amplifier is stable to 2 Ohms Stereo. IOt features a Butterworth Crossover with a range of 50Hz to 550Hz. The amplifier provides superb bass sounds with an inbuilt bass boost of 15dB at 45Hz. The amplifier has a signal to noise ratio of 92dB. For maximum protection, it features 2 x 40 Amp fuses.

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