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REL Planar PL-2 Active Wireless Subwoofer
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REL-Planar-PL-2-Subwoofer
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REL Planar PL-2 Active Wireless Subwoofer represents a profound structural evolution for high-performance low-frequency reinforcement. Engineered specifically to solve the age-old aesthetic dilemma of bulky subwoofer cabinets invading living space, the PL-2 shifts the physical soundstage off the floor and directly onto—or up against—the wall boundary. Cloaked in REL’s signature mirror-polished piano black finish, this ultra-slim architectural masterpiece is powered by a ferocious 550-watt RMS Class D amplifier. By working with your room's wall boundaries rather than fighting them, the PL-2 delivers the bone-shaking, ultra-fast transient bass response that audiophiles demand, while maintaining a completely hidden, zero-footprint lifestyle presence.
Key Features
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Boundary-Coupled FlatPiston Architecture — Employs a custom 8-inch forward-firing driver paired with a massive 10-inch rear-facing radiator designed specifically to use physical wall boundaries to safely anchor frequencies down to 24 Hz.
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Zero-Loss Integrated Wireless Transmission — Equipped with a native internal receiver module that pairs flawlessly with the included AirShip Direct transmitter to deliver bit-perfect, compression-free LFE and high-level signals over the air.
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VIMAR Anti-Resonance Isolation Mounting — Utilizes a proprietary Vibration Isolation Material and Resonance Control mechanical matrix inside the wall-bracket chassis to prevent low-frequency energy from transferring into wall studs or rattling adjacent rooms.
Wall-Boundary Acoustic Engineering
Traditional subwoofers suffer from severe acoustic distortion and muddy cancellations when forced into tight corners or pushed flush against room boundaries. The REL Planar PL-2 turns this limitation into an acoustic advantage through boundary-coupled tuning. Its long-throw 8-inch FlatPiston driver pushes forward into the room with incredible speed, while the rear-firing 10-inch passive radiator couples with the solid mass of the wall. This unique interaction pressurizes the boundary zone, transforming your wall structure into an acoustic lens that adds deep, structural authority to the bass response without any of the typical booming or overhang.
Ultra-Slim Lifestyle Footprint — A razor-thin cabinet profile that blends into your decor, keeping your floor entirely free from clutter.
Simultaneous Multi-Input Mixing — Seamlessly transitions between pure stereo audiophile music and heavy cinematic LFE movie effects without changing settings.
Included AirShip Direct Transmitter — Ships with REL’s premium, uncompressed wireless hub to send pristine audio without unsightly floor cables.
Uncompromised Dual-Circuit Connectivity
True to REL's pure high-fidelity lineage, the PL-2 avoids digital signal processing (DSP) which introduces acoustic latency and smears fine detail. Instead, it relies on lighting-fast analog input filters that run simultaneously. You can connect the system using the premium Neutrik Speakon High-Level connection wired straight to your main stereo amplifier's speaker terminals while keeping the .1/LFE RCA home theater input active at the same time. This dual-circuit architecture allows the subwoofer to blend seamlessly with your stereo music setup during two-channel listening, then automatically explode into cinematic theater mode when a multi-channel soundtrack engages.
Lossless AirShip Direct Wireless Integration
Many wireless subwoofer modules suffer from compression, dropouts, and frustrating time delays that cause the bass to detach from the main speakers. The PL-2 avoids these pitfalls by integrating a swappable, high-speed wireless receiver directly into its main amplifier board. Paired with the included AirShip Direct transmitter, the system beams full-bandwidth audio over an uncompressed 5.8GHz military-grade wireless pipeline. This allows you to position the ultra-slim cabinet anywhere in the room up to 10 meters away from your electronics with absolute signal purity and near-zero latency.
Mechanical Vibration Dampening Matrix
Bolting a high-output, 550-watt subwoofer directly onto a household wall structure would normally result in a structural nightmare of rattling drywall and vibrating wall frames. To protect your home's integrity, REL developed VIMAR (Vibration Isolation Material and Resonance Control) dampening pads. These dense, specialized compound isolators sit inside the interlocking wall-mount bracket system. They work like a mechanical diode, allowing the driver's energy to fire into the open air while trapping and dissipating internal cabinet vibrations before they can cross over into your wall studs.
Key Features
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550W Pure Class D Amplifier — Provides an immense reservoir of continuous power with high current delivery to maintain precise control over the long-throw driver.
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FibreAlloy Passive Radiator — A light, stiff 10-inch auxiliary cone that dampens cabinet pressure and extends low-frequency room loading down to 24 Hz.
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8-Inch FlatPiston Driver — Features a unique flat-profile cone geometry that eliminates cavity resonance and pushes clean air uniformly across its surface area.
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Modular Wireless Receiver — Built directly into the internal chassis, keeping the look clean without external dongles or power cables.
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VIMAR Structural Brackets — Heavy-duty, mechanical isolation mountings that securely lock the heavy subwoofer to wall studs while absorbing micro-vibrations.
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Pure Analog Crossover Network — Completely skips latency-inducing DSP, maintaining a direct, phase-accurate connection with your main speakers.
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Variable Phase Control Alignment — Features a 0-to-180 degree phase switch to perfectly time-align the bass wave arrivals with your left and right speakers.
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Separate Volume Pots — Independent level dials for the High-Level and LFE inputs allow you to fine-tune music and movies separately.
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Optional Planar Cart-2 Accessory — An industrial rolling metal base that lets you position the slim sub flat against a wall without drilling holes.
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Multi-Layer Piano Black Finish — Wrapped in REL’s beautiful, deep lacquered multi-layer shell that reflects your room's lighting like polished glass.
Technical FAQs
Why is a non-DSP analog crossover superior for a wall-mounted subwoofer?
Digital Signal Processing (DSP) inherently introduces computational latency (often between 4 to 12 milliseconds) to the audio signal. While this might sound small, it causes the subwoofer's bass waves to lag slightly behind the sound coming from your main speakers, creating a muddy and detached listening experience. REL's lightning-fast analog filters operate with zero latency, ensuring the bass arrives at your ears in perfect synchronization with your main speakers.
How does the high-level Neutrik Speakon connection improve acoustic integration?
The High-Level connection hooks up directly to the speaker output terminals of your main stereo amplifier. By tapping into the exact same signal feed, the subwoofer inherits the unique sonic signature, timing traits, and tonal characteristics of your main electronics. This tricks your ears into believing your left and right speakers are producing the deep bass all on their own, creating a perfectly integrated soundstage.
Does the wall-mounting bracket require connection to a structural timber wall stud?
Yes, absolutely. Because the PL-2 weighs over 20 kilograms and generates high kinetic energy when playing deep low frequencies, the wall mounting bracket must be screwed directly into structural timber or steel studs, or anchored securely into a solid brick/concrete wall. It should never be mounted to unsupported drywall alone.
