Polk RC55i In-Wall Speaker – Compact Size, Room-Filling Sound
The Polk RC55i In-Wall Speaker is designed for spaces where traditional speakers simply won’t fit. With its ultra-slim profile and rectangular form, it integrates effortlessly into walls while delivering a surprisingly powerful and detailed audio performance. Ideal for modern homes, the RC55i offers flexible placement without compromising on sound quality.
Clear, Balanced Audio Performance
Despite its compact footprint, the Polk RC55i produces a well-balanced and immersive sound signature suitable for both music and cinematic audio.
• Optimised driver configuration ensures smooth midrange and controlled bass
• Wall cavity acoustic tuning naturally enhances low-frequency response
• High-frequency driver delivers clear, articulate treble
• Adjustable tweeter allows precise sound direction for improved imaging
• Seamless tonal balance across frequencies for natural listening
This intelligent acoustic design ensures consistent performance whether used as a stereo pair or as part of a surround sound system.
Built for Reliability and Discretion
The RC55i is engineered with long-lasting materials and a design that blends effortlessly into any interior.
• Corrosion-resistant mounting hardware for added durability
• Vibration-reducing rubber surrounds minimise distortion
• Rigid speaker cone construction improves sound accuracy
• Paintable front grille for seamless visual integration
• Flush-mounted in-wall installation for a clean, modern finish
The speaker’s robust build makes it suitable for installation in a wide range of indoor environments, including areas with higher humidity.
Perfect for Multiple Audio Setups
The Polk RC55i adapts easily to different entertainment needs and room layouts.
• Stereo music systems
• Home cinema front or surround channels
• Multi-room audio installations
• Bedrooms, kitchens, and compact living spaces
Its sound profile is carefully matched to other Polk speakers, ensuring smooth transitions across mixed speaker systems.
Key Features & Technical Highlights
• Slim in-wall design ideal for limited spaces
• Passive speaker architecture for flexible amplifier pairing
• Open-back configuration for enhanced acoustic blending
• Designed for amplifier power handling between 20–100W RMS
• Wide frequency response for detailed audio reproduction
• High sensitivity for efficient sound output
• Supplied as a stereo pair
• Backed by a 5-year manufacturer warranty
Technical Specifications Overview
• Speaker type: In-wall, passive
• Impedance: 8 ohms
• Sensitivity: 90 dB
• Frequency response: 67 Hz – 20 kHz
• Maximum power handling: 100 W
• Driver configuration: 1 bass driver, 1 tweeter
• Rectangular white grille design
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