Description
Quad-channel touring precision—the CELTO SQ8800 offers 4 × 1300W 8Ω /2200W 4Ω With refined control for critical applications. Designed for line arrays, multi-zone systems, and high-fidelity reinforcement. Higher slew rate (>60 V/µs) and damping (>800) deliver lightning transients and grip. MUSE® preamp and J-FET limiters preserve dynamicsWithout aggression. Robust SMPSWith multiple transformers handles extreme loads effortlessly. NEUTRIK connectors throughout for professional-grade reliability. At 6 kg, it combines brute forceWith touring practicality. The SQ8800 brings flagship performance to quad configurations.
Key Features
- 4 × 1300W 8Ω / 4x2200W 4Ω in compact 6 kg 1U chassis
- 4th-gen discrete Class DWith >60 V/µs slew rate for lightning transients
- Studio-grade preampWith MUSE® Fine Gold capacitors for pristine audio
- LLC PULSAR SMPSWith active PFC and multiple transformers for stability
- NEUTRIK XLR/SpeakON connectors and comprehensive protections
Applications
Installation
Sound Architecture
Portable
Professional sound, on demand
Touring
Engineered to endure
Technical specifications
| Channels | 4 |
| RMS Power 8Ω (per ch., EIA 1 kHz 1% THD) | 1300W |
| RMS Power 4Ω (per ch.) | 2200W |
| RMS Power 2Ω (per ch.) | 2000W |
| Bridge 8Ω | 2x 4400W |
| Bridge 4Ω | 2x 4000W |
| Frequency Response (-1 dB) | 5 – 20 000 Hz |
| Typical THD | < 0.03 % at 1W / < 0.09 % at half power |
| Signal to Noise Ratio (A-weighted) | > 107 dB |
| Crosstalk (1 kHz) | > 75 dB |
| Slew Rate | > 60 V/µs |
| Damping Factor (8Ω) | > 800 (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 | SEETRONIC PowerCon |
| Input Connectors | 4x Balanced NEUTRIK XLR |
| Output Connectors | 4 ×NEUTRIK SpeakON NL4MP |
| Dimensions (W×H×D) mm | 482×45×281 (1U) |
| Weight Net | 6 kg |
| series shortname | sseries |
We talk about it
See SQ8800 in action
Fiji
Falton University
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ISORAY18S
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SQ8800
CELTO IsoRay conquers tough acoustics in Fiji's new 1,000-seat Adventist church, delighting Fulton University with crystal-clear sound.
March 12, 2026
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Osaka
Japan
Case Studies
Osaka 2025 Expo (Belgian Pavilion)
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SQ8800
WePlay SRL and CELTO Create Award-Winning Immersive Soundscape at the Belgian Pavilion, Expo Osaka 2025
Oct. 30, 2025
Read article