REL Acoustics S/850 S Series Subwoofer

REL S/850 Subwoofer 

Elevate your home audio with the REL S/850 Subwoofer, the flagship of the Serie S line, engineered for audiophiles seeking reference-grade bass performance. Available at All Elite Audio, this powerhouse combines an 850-watt Linear Class D amplifier with advanced CarbonAlloy™ drivers to deliver explosive dynamics, nuance, and effortless scale in medium-to-large rooms (300–700 sq. ft.). Perfect for vinyl enthusiasts, digital streamers, and home theater aficionados, the S/850 integrates seamlessly into stereo pairs or line arrays, offering exceptional clarity and value.

Key Features of the REL S/850

• Powerful Amplification: 850-watt Linear Class D amplifier with surge capability up to 1,000 watts for fast, deep bass without distortion.
  
• Advanced Driver Design: 12" CarbonAlloy™ front-firing active driver paired with a 12" long-stroke down-firing passive radiator for enhanced articulation and low-end extension.
  
• Versatile Connectivity: High Level Neutrik Speakon input for direct speaker-level connection, plus Low Level RCA and LFE XLR/RCA inputs for .1/LFE signals in music or theater systems.
  
• Wireless Option: Compatible with REL AirShip Direct™ (sold separately) for cable-free transmission of both High Level and .1/LFE signals.
  
• Premium Build: Piano Black or Gloss White Lacquer finish with internal bracing and precision mechanical couplers for stacking and stability.
  
• Audiophile-Grade Performance: Low frequency extension to -6dB at 19Hz, ideal for vinyl records, high-res streaming, or immersive home theater setups.

Why Choose the REL S/850 for Your HiFi Upgrade?

The S/850 blends explosive power with refined control, making it an ideal choice for upgrading your HiFi subwoofer or adding bass authority to integrated systems. It excels in medium-to-large rooms, supporting stereo pairs or expandable line arrays up to six units for floor-to-ceiling impact, while precision mechanical couplers ensure stability in stacked configurations. Customers praise its lightning-fast transients, natural integration with main speakers, and ability to handle complex bass lines with finesse, making it a standout for both casual listeners and dedicated audiophiles. Whether you’re spinning LPs, streaming high-res audio, or powering a home theater, the S/850 delivers a captivating low-end experience that rivals high-end separates at a competitive price.

Detailed Benefits for Your Audio System

• Enhanced Bass Quality: Uncovers subtle details and tight, articulate lows with minimal distortion, ensuring every note integrates seamlessly without overpowering mains.
  
• Seamless Integration: High Level connection preserves your system's sonic signature, while dual inputs allow simultaneous music and movie use in one setup.
  
• Future-Proof Design: Supports wireless connectivity and line array expansion, making it adaptable to evolving HiFi needs from stereo to multi-channel systems.
  
• Exceptional Value: Offers flagship-level bass performance at a mid-range price, perfect for upgrading without breaking the bank.

Technical Specifications

• Type: Front-firing active driver, down-firing passive radiator
  
• Active Driver: 12 in. (305mm) long-throw, CarbonAlloy™ cone, die-cast alloy chassis
  
• Passive Radiator: 12 in. (305mm), Carbon/Carbon flat cone, steel chassis
  
• Low Frequency Extension: -6dB at 19Hz
  
• Power Output: 850 watts (RMS), up to 1,000 watts surge
  
• Amplifier Type: Linear Class D
  
• Inputs: High Level Neutrik Speakon, Low Level (2) RCA, (1) LFE RCA, (1) LFE XLR
  
• Outputs: High Level Neutrik Speakon, (1) Low Level RCA, (1) LFE RCA or XLR
  
• Protection: Fully electronic set safe, D.C. fault, output short
  
• Dimensions: 19.25 x 16.125 x 21.25 in. (W x H x D)
  
• Weight: 93.5 lbs

Ready to Elevate Your HiFi System?

The REL S/850 Subwoofer is your gateway to audiophile-grade bass, offering unmatched speed, depth, and versatility. Shop now at All Elite Audio to transform your listening experience with expert support.