Official-source product profile · L1

REL No.35

Reference-series powered subwoofer for stereo and home cinema integration.

Evidence checked: 2026-10-11. Manufacturer/distributor documentation; no independent SoundPath Lab test.

What the documentation establishes

• 12-inch Pure Carbon Fibre driver; Class AB/D amplifier, manufacturer 900W RMS rating.
• Manufacturer in-room extension: -6dB at 17Hz; not an anechoic SPL measurement.
• SpeakOn high-level, stereo RCA/XLR low-level and RCA/XLR LFE inputs; dual parametric filter.
• AirShip Direct wireless connection is optional and sold separately.

Best for

A system requiring both music high-level and cinema LFE integration.

Avoid if

You need a compact enclosure, included wireless hardware or independently measured extension.

Limits and unresolved details

Transformer-weight claims conflict between REL articles and are excluded from settled specifications.

Support and purchase checks

Confirm the complete regional model, required cables and external components, current manual/firmware, local warranty and actual dispatch with the official channel. App and streaming-service support depends on current versions; paid services may require subscriptions. A planned release or an order button does not prove local stock.

Keep an existing system that already meets these connection and use requirements. No measured sound-quality upgrade, reliability score or automatic purchase recommendation is assigned.

Primary sources

• https://rel.net/blogs/learn-and-explore/reference-subwoofers — checked 2026-10-11
• https://rel.net/blogs/learn-and-explore/the-new-reference-collection — checked 2026-10-11
• https://rel.net/collections/powered-subwoofers/products/no-35 — checked 2026-10-11

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