The REL S/510 isn’t about louder bass — it’s about foundation, speed, and control.
With REL’s high-level connection philosophy and a fast, powerful Class-D amplifier, the S/510 integrates seamlessly into your system, adding depth and weight without ever calling attention to itself. Bass lines gain texture. Soundstages gain scale. Everything above it feels more grounded.
This display model has lived its life in our showroom — carefully set up, properly driven, and never pushed beyond its limits. It has been fully tested by our team and performs exactly as it should: tight, musical, and effortless.
This is the kind of subwoofer that doesn’t announce itself — it simply makes everything sound more complete.
Installation: Optional white-glove setup available within the NJ/NY area (call for price depending on location).
Shipping: Free local pickup or UPS Ground (call for shipping quote).
Returns: Final sale — tested and guaranteed functional.
Status: Original Box, Packing Materials, and Full Manufacturer Warranty
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REL S/510 – Powered Subwoofer – Pre-Owned
Amplification
- 500-watt Class-D amplifier
- High-current, ultra-fast power delivery
Driver Configuration
- 10" (250mm) ContinuousCast™ alloy forward-firing driver
- 12" (300mm) passive radiator
Inputs
- High-level Neutrik Speakon
- Low-level RCA
- LFE (.1) input
Frequency Response
- 20 Hz (-6 dB)
Cabinet Design
- Rigid, internally braced enclosure
- Finished for vibration control and musical accuracy
Dimensions
- Width: 14.3 in (363 mm)
- Height: 15.3 in (389 mm)
- Depth: 17.1 in (435 mm)
Weight
- 69 lb (31.3 kg)
Fast, Musical Bass Integration
Designed to disappear into two-channel and home theater systems while enhancing everything above it.REL High-Level Input Design
Preserves the tonal character of your main amplifier for unmatched musical coherence.Powerful, Controlled Output
Effortless dynamics without boom, bloat, or overhang.Display Model Value
Showroom-maintained condition with original packaging and full warranty.Built for Real Listening Rooms
Compact footprint with serious performance — ideal for reference systems where balance matters.
