REL No.31 Subwoofer

🧾 Overview / Summary
The REL No.31 is a compact 😉 reference-class subwoofer, inheriting the DNA of the flagship No.32 but with a newly-developed 12" carbon fibre driver. Designed for those who seek true reference performance in a smaller footprint, No.31 delivers the same precision and musicality, backed by 900 watts of power and advanced dual parametric filters.

✅ Key Features
✅ Closed-box design with 12" long-throw carbon fibre driver
✅ Dual parametric filters for precise tuning
✅ 900 watts RMS Class D amplifier for clean, powerful bass
✅ Extends down to 17 Hz at -6 dB
✅ Optional wireless operation with REL Airship II (sold separately)
✅ High-gloss 12-coat black finish
✅ Compatible with high-level and LFE inputs (Neutrik Speakon, RCA, XLR)
✅ Designed for both stereo and theater systems

📊 Technical Specifications
Parameter Specification
Type Closed box, front firing driver
Active Driver 12 in. (300 mm), long-throw, carbon fibre cone with inverted carbon fibre center cap
Dual Parametric Filters Yes
Low Frequency Extension 17 Hz at -6 dB
Input Connectors High Level Neutrik Speakon, Low Level stereo RCA & XLR, LFE RCA, Line XLR
Output Connectors High Level Neutrik Speakon, LFE XLR, Line XLR
Power Output 900 watts (RMS)
Amplifier Type Pure Class D
Wireless Capability Yes — REL Airship II (required, sold separately)
Dimensions (W × H × D) 638 × 435 × 724 mm (25 1/8 × 17 × 21½ in), incl. feet & controls
Weight (Net / Shipping) 52 kg / 71 kg (114.5 lbs / 156 lbs)
Finish High Gloss Black, 12 coats

📦 What’s in the Box
📦 REL No.31 Subwoofer
🔌 Power cable
🔗 Neutrik Speakon cable
📖 User manual
🪛 Feet and hardware set

🔄 Compatibility
✔ Compatible with stereo receivers, DACs, preamps, powered speakers via RCA, XLR, or Neutrik Speakon
✔ Works with LFE and high-level inputs
✔ Optional wireless connection via REL Airship II transmitter
✔ Suitable for 2-channel and multi-channel systems

📦✈️ Shipping & Returns
📦 Insured worldwide delivery
🔄 14-day return policy
🛡️ 2-year EU warranty

📝 Reviews
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