- Arc Audio KS 125.4 Mini 4-Channel Amplifier
- Compact Chassis Design For Small Vehicle Applications.
- Non-Digital Class G/H Switching Design.
- Protection Against: Reverse Voltage, Over Voltage, Speaker Short, and Thermal Overload.
- Can Drive Highly Reactive Loads.
Arc Audio KS 125.4 Mini 4-Channel Amplifier
Compact Chassis Design For Small Vehicle Applications. Non-Digital Class G/H Switching Design. Designed By Robert Zeff. Protection Against: Reverse Voltage, Over Voltage, Speaker Short, and Thermal Overload. Can Drive Highly Reactive Loads. Hi/Low Level balanced Switchblade RCA Inputs For Flexible Integration Into Most Applications. Optically Isolated Mosfet Power Supply. Stable To 2-Ohms. The KS 125.4 Mini Uses a Patent Pending Auto-Sense Turn-On Circuit That Offers a Significant Improvement in Reliability and Operation. To Further Simplify OEM Integration The KS 125.4 Mini Uses A Fully Balanced Input Stage That is Switchable Between Speaker And RCA Inputs. Simply connecting the Stock Speaker Wires to the RCA inputs Will Supply a Perfect Clean Signal To The Amplifier And Turn It On. In Addition, The Remote Turn-On Connection, With The Flip Of A Switch Becomes A Remote Turn-On Output To Connect The Rest Of Your Amplifiers.
Specifications -
4 - Channels @ 4 Ohms - 75 Watts
4 - Channels @ 2 Ohms - 125 Watts
2 - Channel @ 4 Ohms (Bridged) - 250 Watts
Frequency Response - 20Hz - 20kHz
Crossover Range - 40Hz - 550Hz
Bass Boost - 15dB @ 45Hz
S/N Ratio - 109dB
Input Sensitivity (Low) - 220mV - 3.5V
Max Current Draw - 51A @ 500 Watts 1% THD
Idle Current - 1.14A
Fuse - 2 x 30 Amp
Dimensions - 11.625"(L) x 5.125"(W) x 1.75"(H)
- Is Discontinued By Manufacturer : No
- Package Dimensions : 17 x 15.25 x 9.75 inches; 4.6 Pounds
- Date First Available : December 16, 2008
- Manufacturer : ARC Audio
