Pure Authority vs S/550
The S/550 matches the Pure Authority on power @ 8ω (550W), woofer (10"), power handling (600 W), and drivers (1).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersSubwoofers
Estimated price (community-sourced)
$3,299
Estimate — not enough price data to average yet
About the Pure Authority
The REL Acoustics S/550 redefines power and finesse in a compact cabinet, delivering speed, scale, and dynamics for music and theater systems in medium rooms. It features a 550-watt Pure Class D amplifier capable of 600 watts continuous, paired with a 10-inch CarbonAlloy active driver and 12-inch down-firing passive radiator. Designed for stereo pairs and line arrays, it uses 100% analog input filters including High Level Input for seamless integration with main speakers. Optional premium wood grille available. Finishes include Piano Black Lacquer and Gloss White Lacquer (8 coats).
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Power Handling
- 600W
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 550W @ 8Ω
- Amplifier Class
- D
Speaker Design
Driver configuration and enclosure design
- Driver Type
- dynamic
- Driver Size
- 10"
- Driver Count
- 1
- Enclosure Type
- sealed
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 445 × 372 × 500 mm (W × H × D)
- Weight
- 31 kg (68 lbs)
Key Specifications
Power: 550W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions