Celto Acoustique SLQ4800

4 Channel Feather Weight Revolution Description Efficient multi-channel powerhouse—the CELTO SLQ4800 delivers 4× 950W 8Ω / 4x 1200W 4Ω / 4x 1200W 2Ω in an ultra-light 4.5kg 1U package with unmatched sound quality. Perfect entry into high-density amplification for portable rigs and fixed installs needing serious drive without the bulk. TrueSound Class D topology with >50 V/µs slew rate and >2500 damping factor offers pristine control. Studio-grade preamp with MUSE® capacitors and transparent J-FET limiters preserve every nuance. The exclusive Virtual Class-A circuit reaches warmth and precision audiophile tonality. LLC resonant PULSAR SMPS with active PFC ensures stable operation worldwide (90–260 VAC). REAN connectors and comprehensive protection make it road-ready out of the box. Shallow 242 mm depth fits even the tightest racks. The SLQ4800 proves that big power can travel light—and sound incredible doing it. Key Features Benchmark grade performance with 0.01% THD and 110dB SNR 4× 950W 8Ω / 4x 1200W 4Ω / 4x 1200W 2Ω (RMS) Incredibly light and compact 1U / 4.5kg / 242mm depth Runs cool with its 92% efficiency Class D output stage Audiophile sound with Virtual Class-A warmth and precision Zero-Attack J-FET limiters to eliminate unpleasant clipping Active PFC to work seamlessly from 90V to 260V AC Applications InstallationSound Architecture PortableProfessional sound, on demand Technical specifications Channels 4 RMS Power 8Ω (per ch., EIA 1 kHz 1% THD) 950W RMS Power 4Ω (per ch.) 1200W RMS Power 2Ω (per ch.) 1200W Bridge 8Ω 2x 2400W Bridge 4Ω 2x 2400W Frequency Response (-1 dB) 10 – 25 000 Hz Typical THD < 0.015 % at 1W / < 0.05 % at half power Signal to Noise Ratio (A-weighted) 110 dB Crosstalk (1 kHz) > 75 dB Slew Rate > 50 V/µs Damping Factor (8Ω) > 2500 (internal) Voltage Gain 34 dB (50 times voltage) Input Impedance 20 kΩ balanced Preamp Ultra-low noise and distortion circuit with MUSE® Fine Gold capacitors and TrueRMS JFET VCA limiters Output Stage / Class Proprietary High-Speed High-Current 4th generation discrete Class D (92% efficiency) Power Supply Switch mode with active PFC (Universal AC input from 90 to 260V) Cooling Temperature regulated long life brush-less fans, front to back airflow Power Connector IEC C14 With locking latch Input Connectors 4x Balanced REAN XLR Output Connectors 4x SpeakON REAN RLS4MP Dimensions (W×H×D) mm 482×45×242 (1U) Weight Net 4.5 kg series shortname slseries