• High-Power Dual Channel Output – Delivers up to 450 watts RMS per channel at 2 ohms or 900 watts bridged, giving your speakers or subwoofers serious clean power.
• G/H-Class Efficiency – Combines the warmth and clarity of Class A/B sound with the efficiency of modern G/H-Class power supply design
• Precision Audio Control – Adjustable HPF and LPF (50–250Hz), plus Bass Boost up to +15dB at 45Hz for a customized sound experience.
• Elegant, Durable Design – Black brushed aluminum chassis with nickel-plated terminals offers both refined aesthetics and long-lasting reliability.
• Advanced Protection System – Built-in microprocessor monitoring defends against thermal overload, short circuit, DC faults, and overcurrent for safe operation.

Cadence 900 Watt 2-Channel 2-Ohm Class A/B Car Audio Amplifier QRS2.300GH

This Listing Includes:

• (1) Quartz Core QRS2.300GH 2-Channel Class A/B Car Amplifier

The Quartz Resonance Supreme QRS2.300GH delivers a perfect balance of elegance, control, and raw power. Built with G/H-Class Power Supply technology, this amplifier merges the warmth of Class A/B sound with modern efficiency. With up to 900 watts RMS in bridged mode, it’s designed for true audiophiles seeking precision, depth, and musicality in every note. Its black brushed aluminum chassis exudes sophistication, while advanced protection circuitry ensures stability under any condition. From delicate highs to thunderous lows, the QRS2.300GH turns every song into a detailed, emotional performance worthy of its Supreme name.

Specifications:

• Amplifier Type: Class A/B with G/H-Class Power Supply


• Channel Configuration: 2 Channels


• RMS Power @ 4 Ohms: 300 W x 2


• RMS Power @ 2 Ohms: 450 W x 2


• Bridged RMS Power @ 4 Ohms: 900 W x 1


• Frequency Response: 20 Hz - 30 kHz


• Input Sensitivity: 200 mV - 6 V


• Total Harmonic Distortion (T.H.D): < 0.05 %


• Signal-to-Noise Ratio: > 86 dB


• High-Pass Filter (HPF): 50 Hz - 250 Hz


• Low-Pass Filter (LPF): 50 Hz - 250 Hz


• Bass Boost: 0 - 15 dB @ 45 Hz


• Fuse Rating: 35 A x 2


• Input Type: RCA


• Protection: Thermal, Short Circuit, Overload, DC Fault


• Operation Modes: Stereo, Bridge, or Tri-Mode Compatible


• Construction: Black brushed aluminum heatsink with nickel-plated terminals


• Cooling System: Advanced heat dissipation design

Dimensions:

• Length: 16.93 in (430 mm)


• Width: 7.56 in (192 mm)


• Height: 2.32 in (59 mm)


• Weight: 12 lbs


• Shipping Dimensions: 21 Ã 12 Ã 5 in