S/850 vs S/812
The S/812's power @ 8ω is 800W against the S/850's 850W. Both share low-frequency extension (19 Hz), woofer (12"), and drivers (1).
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About the S/850
The REL Acoustics S/850 subwoofer delivers uncompromising performance with explosive dynamics, nuance, and effortless scale, blending power and refinement. Engineered for music and theater systems in medium-to-large rooms, it supports stereo pairs and line arrays. Key features include a 12-inch front-firing CarbonAlloy™ active driver with die-cast alloy chassis, a 12-inch down-firing long-stroke passive radiator with Carbon/Carbon flat cone and steel chassis, and advanced Linear Class D amplification surging to 1000 watts peak. It offers seamless integration via High Level Neutrik Speakon inputs, low-level RCA, LFE RCA/XLR, and compatibility with REL AirShip Direct wireless (sold separately). Finishes in Piano Black or Gloss White Lacquer with optional premium wood grille. Designed with innovations from REL's Reference line, including lightweight carbon-fiber center caps for reduced moving mass and enhanced thin-film capacitors in input filters for transparency.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Frequency Response
- From 19 Hz
- Power Handling
- 1.0kW
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 850W @ 8Ω
- Amplifier Class
- D
Speaker Design
Driver configuration and enclosure design
- Driver Type
- CarbonAlloy™ active, Carbon/Carbon passive
- Driver Size
- 12"
- Driver Count
- 1
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- High Level Neutrik Speakon, Low Level RCA, LFE RCA, LFE XLR
- Analog Outputs
- High Level Neutrik Speakon, Low Level RCA, LFE RCA, LFE XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 488 × 540 × 410 mm (W × H × D)
- Weight
- 42.5 kg (94 lbs)
- Available Colors
- Piano Black Lacquer, Gloss White Lacquer
Key Specifications
Power: 850W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions