• Powerful 1800W RMS Output – Delivers up to 1800 watts RMS at 1 ohm for thunderous, clean bass that dominates your sound system.
• High-Efficiency Class D Design – Advanced circuitry ensures maximum output with minimal distortion and heat, ideal for demanding subwoofer setups.
• Customizable Sound Control – Adjustable Bass Boost (0–15dB), LPF, HPF, and subsonic filter give you precise control over every low-frequency detail.
• Premium Build & Cooling – Black brushed aluminum body with nickel-plated terminals provides superior heat dissipation and long-lasting durability.
• Comprehensive Protection System – Microprocessor-monitored safety with external fuse design guards against thermal overload, short circuit, and power surges.

Cadence 1800 Watt 1-Ohm Class D Monoblock Car Audio Amplifier QRS1.1800D

This Listing Includes:

• (1) Quartz Core QRS1.1800D Monoblock Class D Car Amplifier

The Quartz Resonance Supreme QRS1.1800D is built for those who live for bass that hits hard and clean. This high-efficiency Class D monoblock amplifier delivers up to 1800 watts RMS at 1 ohm, unleashing massive power while maintaining clarity and control. Perfect for subwoofer-driven systems, it transforms your vehicle into a concert on wheels. With its sleek black brushed aluminum finish and nickel-plated terminals, it looks as good as it performs. Equipped with advanced microprocessor monitoring, adjustable filters, and external fuse configuration, the QRS1.1800D combines strength, precision, and safety in one compact powerhouse. Take control of your sound and experience the authority of Quartz Resonance Supreme.

Specifications:

• Amplifier Type: Class D


• Channel Configuration: Monoblock


• RMS Power @ 4 Ohms: 800 W x 1


• RMS Power @ 2 Ohms: 1200 W x 1


• RMS Power @ 1 Ohm: 1800 W x 1


• Frequency Response: 10 Hz - 250 Hz


• Input Sensitivity: 100 mV - 6 V


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


• Signal-to-Noise Ratio: > 86 dB


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


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


• Subsonic Filter: 10 Hz  - 50 Hz


• Bass Boost: 0 - 15 dB (40 Hz - 00 Hz)


• Phase Control: 0 - 180


• Input Type: RCA


• Fuse Rating: External Fuse


• Remote Level Control: Included


• Protection: Thermal, Short Circuit, Overload, Power Surge


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


• Cooling System: Advanced microprocessor-controlled heat management

Dimensions:

• Length: 15.55 in (395 mm)


• Width: 7.56 in (192 mm)


• Height: 2.32 in (59 mm)


• Weight: 13 lbs


• Shipping Dimensions: 21 x 12 x 5 in