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On this product, we can offer you

  • We can offer you a UK nationawide personalised delivery service
  • We bring the HiFi to your home and install it for you
  • If you have a trade in, we can collect this from you
  • If you no longer have the boxes, we can wrap it for you
  • If you want to finance the balance, we can defer payments over a year

Personalised Collection of Trade-In Items

Personalised Home Installation

Rel Subwoofers At Fanthorpes

REL Acoustics is a British manufacturer of subwoofers, renowned for their high-quality craftsmanship and design philosophy. Established in 1990 by Richard Lord, REL's goal has always been to...

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REL Planar PL-1 Subwoofer

From £1,999

  • Comes with 3 Years warranty
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Personalised Service

On this product, we can offer you

  • We can offer you a UK nationawide personalised delivery service
  • We bring the HiFi to your home and install it for you
  • If you have a trade in, we can collect this from you
  • If you no longer have the boxes, we can wrap it for you
  • If you want to finance the balance, we can defer payments over a year

Personalised Collection of Trade-In Items

Personalised Home Installation

Rel Subwoofers At Fanthorpes

REL Acoustics is a British manufacturer of subwoofers, renowned for their high-quality craftsmanship and design philosophy. Established in 1990 by Richard Lord, REL's goal has always been to...

view the full collection of Rel Subwoofers brand logo

REL Planar PL-1 Subwoofer

The REL Planar PL-1 Subwoofer brings reference-grade low-frequency performance into spaces where traditional subwoofers struggle to fit or integrate visually. Designed by REL Acoustics, it delivers the brand’s signature speed, depth, and musicality in an ultra-thin form factor that prioritises both performance and interior compatibility. The result is a subwoofer engineered not just for sound quality, but for real-world living environments where space, placement, and aesthetics matter just as much.

Unlike conventional designs that demand open floor space, the PL-1 is specifically developed to work in close partnership with the wall behind it. This boundary-aware approach allows the subwoofer to generate surprisingly deep and authoritative bass from a physically discreet enclosure, making it especially well suited to modern apartments, media rooms, and compact high-performance systems.

Boundary-Coupled Bass for Deeper Room Integration

The REL Planar PL-1 Subwoofer uses boundary coupling to transform the listening room into an active part of the acoustic system. By positioning the unit close to or directly against the wall, low-frequency energy is reinforced naturally, extending perceived bass depth without requiring a larger cabinet or higher power draw.

This method creates a sense of scale that belies the PL-1’s ultra-thin design. Bass feels more expansive and room-filling, yet remains controlled and articulate, maintaining the speed and precision expected from high-end REL engineering.

Ultra-Thin Design Built for Real Living Spaces

The design philosophy behind the PL-1 focuses on seamless integration into contemporary interiors. Its ultra-thin profile allows it to sit unobtrusively within smaller and medium-sized rooms where traditional subwoofers would dominate visually or physically.

Rather than trying to hide performance, the PL-1 balances presence and discretion. Premium lacquer finishes, soft flowing edges, and concealed functional elements ensure it can either blend into the environment or sit as a deliberate design feature depending on placement and preference.

Dual 6.5” Drivers for Speed, Impact, and Control

At the core of the REL Planar PL-1 Subwoofer are twin long-throw 6.5-inch drivers engineered for fast response and dynamic authority. These drivers are designed to move significant air within a shallow enclosure while maintaining tight control over transient behaviour.

The dual-driver configuration increases output capability without sacrificing clarity, allowing the PL-1 to reproduce complex musical passages and cinematic effects with precision. Bass remains quick, detailed, and tightly integrated with main speakers, even at higher listening levels.

Passive Radiator Design for Extended Low-End Reach

A large 10-inch long-stroke passive radiator works in conjunction with the active drivers to extend bass response further into the low-frequency range. Positioned to interact with the wall behind the subwoofer, it leverages room reinforcement to increase perceived depth and physical impact.

This design allows the PL-1 to achieve a level of low-end extension that would normally require a much larger enclosure, while maintaining the speed and control expected from a modern high-performance subwoofer system.

300W Pure Class D Amplifier for Controlled Power

Power delivery in the REL Planar PL-1 Subwoofer is handled by a 300-watt Pure Class D amplifier designed for efficiency, headroom, and precision. This amplification stage provides the current required for demanding dynamic passages while maintaining composure and stability over long listening sessions.

Although conservatively rated, the amplifier is engineered to deliver higher real-world output under transient load conditions, ensuring the PL-1 remains effortless even when reproducing deep bass peaks in music or film content.

Integrated Vibration Control for Cleaner Performance

To ensure clean integration with surrounding surfaces, the PL-1 incorporates REL’s VIMAR vibration isolation and resonance control system within its mounting architecture. This reduces unwanted energy transfer into the wall, preventing smearing or coloration of low-frequency reproduction.

The result is tighter bass definition, improved transient clarity, and a more stable overall soundstage, particularly in wall-mounted or close-boundary installations.

Wireless Connectivity with Airship Direct

The REL Planar PL-1 Subwoofer includes integrated Airship Direct wireless technology, allowing it to operate without external transmitters or visible signal cabling. This simplifies installation while maintaining full-resolution wireless performance.

With the system pre-paired out of the box, setup is reduced to power connection and placement. This allows greater flexibility in positioning the subwoofer for optimal room performance without compromising interior design or system layout.

REL Planar PL-1 Subwoofer – Compact Design, Serious Low-Frequency Authority

The PL-1 represents a focused solution for listeners who want high-end bass performance without the spatial and visual compromises of traditional subwoofers. It combines advanced boundary coupling, ultra-thin industrial design, and high-output driver technology into a system that is both discreet and powerful.

For modern hi-fi and home cinema systems where integration is as important as impact, the REL Planar PL-1 Subwoofer delivers a rare balance of size, intelligence, and genuine low-frequency authority.

Why Choose the REL Planar PL-1 Subwoofer?

The REL Planar PL-1 Subwoofer is designed for users who need high-end bass performance in spaces where traditional subwoofers are impractical. Its ultra-thin design, boundary-coupled performance, and advanced driver technology make it a uniquely flexible solution for modern listening environments.

Part Exchange Available

As you would expect from Fanthorpes hifi, we offer a generous part exchange against the REL Planar PL-1 Subwoofer. If you have any hi-fi you wish to use as part payment, call us on 01482 223096 or email shop@fanthorpes.co.uk, and we will give you a price to change. This is a fantastic and hassle-free way of making the REL Planar PL-1 Subwoofer more affordable.

Finance Available

Fanthorpes hifi can offer buy now pay later options on the REL Planar PL-1 Subwoofer, allowing you to spread or defer payments. To apply, email shop@fanthorpes.co.uk or call 01482 223096.

REL Planar PL-1 Subwoofer Specification:

  • Low Frequency Extension -6 dB at 31 Hz, in room
  • Type (2) Front-firing active woofers, (1) Rear-firing passive radiator
  • Active Driver Size & Material (2) 6.5in. (165mm) FibreAlloy cone, long-throw, steel chassis
  • Passive Radiator Size & Material 10in. (250mm) FibreAlloy cone, steel chassis
  • Power Output 300 watts (RMS)
  • Amplifier Type Pure Class D
  • Wireless Capability Built-in Wireless
  • Input Connectors HIGH-LEVEL Neutrik SpeakOn, LOW-LEVEL RCA, LFE RCA
  • Finish Gloss Piano Black or Gloss White Lacquer
  • Protection System Fully Electronic Safe Set – D.C. Fault / Output Short Protection
  • Mains Input Voltage 100–240 volts selectable
  • Supplied Accessories Mains Lead (90° for wall mounting), Neutrik Speakon cable (1.5m), HIGH-LEVEL cable, XLR RCA cable, Power adapter
  • User Manual Included
  • Fuses 2.5A (230V operation), 5A (120V operation)
  • Output Connectors
  • Dual Parametric Filter N/A