Description
Package Includes: (1) Rockville dB55 4000 Watt/980 Watt Dyno-Certified RMS 5 Channel Amplifier Car Stereo Amp, (1) Rockville RWK42 4 Gauge 4 Chan Car Amp Wiring Installation Wire Kit (2) RCA's
Compact 5-Channel Design: The Rockville dB55 delivers 4000-Watt Peak / 980-Watt Dyno Certified RMS across five channels with selectable output modes for stereo speakers plus a bridged sub channel. Dyno Certified RMS lists 2-Ohm: 120W x4 + 500W x1 and 4-Ohm: 80W x4 + 300W x1. The amp is 2-Ohm stable, maintains minimum THD < 0.05%, S/N ratio >90dB and a damping factor >100@100Hz with a 15–35kHz frequency response for clear, controlled audio.
Dyno-Certified Power & Topology: Rockville provides both peak and Dyno Certified RMS so shoppers can compare fairly to budget and premium brands. Peak ratings include 2-Ohm: 480W x4 + 2000W x1 and 4-Ohm: 320W x4 + 1200W x1. The dB55 uses a high-speed MOSFET power supply, optical-coupler Class AB + D hybrid topology and studio-grade bipolar output transistors; built-in under-voltage protection at 10V and over-voltage protection at 16V improve reliability during heavy use.
Precision Tone Controls & Protection: The dB55 includes a fully adjustable 12 dB/octave crossover with differential circuitry, low-pass (CH1–CH4) 40Hz–4kHz and CH5 50Hz–250Hz, high-pass 15Hz–4kHz, and a subsonic filter 15Hz–55Hz. It also offers a 12 dB bass equalizer, 8-Volt preamp circuitry, status mode LED indicator, remote dashboard subwoofer control, mute and delay soft-start, and full IC-controlled protection with a professional peak limiter for distortion-free playback.
Installer-Friendly Amp Kit: The included Rockville RWK42 4-AWG installation kit features two 17' twisted-pair 100% copper RCA cables (blue/silver), 17' SuperFlex power cable, 17' speaker and remote leads, 3' clear ground, massive gold-plated 80A AGU fuse with holder, 7' split loom, and a soft abrasion-proof PVC jacket rated -40°F to 220°F. Accessories include wire ties, ring terminals, butt connectors, spades and grommets to ensure low-resistance, neat routing and reliable connections.
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