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The Wisdom Audio Sage Series C20m is a slim on-wall point-source loudspeaker pairing a large planar-magnetic driver with two 6-inch woofers — high-resolution sound in a low-profile design that mounts flush to the wall.
The Sage Series C20m is an on-wall point-source loudspeaker from Wisdom Audio, bringing the brand’s planar-magnetic technology to installations where an in-wall cavity is not available or wanted. It marries a large planar driver with dynamic woofers in a slim, wall-mounted cabinet, delivering detailed, dynamic sound with a discreet visual footprint.
The C20m is a slim on-wall design measuring 7.2 × 19.28 × 5.87 inches (18.3 × 48.9 × 14.9 cm) and weighing 23 lb, so it sits close to the wall and reads as an architectural element rather than a conventional speaker. It is offered with customisable colours and grille options to suit the room, and the planar driver uses a PEEK film material.
A large planar-magnetic driver handles the midrange and treble with the speed and detail characteristic of Wisdom, supported by two 6-inch woofers for the low end. Quoted frequency response is 40Hz–20kHz (±2dB), narrowing to 40Hz–15kHz (±2dB) at 30° off-axis, with a sensitivity of 87dB (2.83V/1m) from both sections.
The C20m pairs a planar-magnetic driver with twin 6-inch woofers in an on-wall format, handling up to 200W continuous. It requires two channels of amplification and an external DSP, allowing its response to be tuned precisely to the room and to the rest of a Wisdom system. In-wall (C20i) and freestanding (C20) variants complete the family for mixed installations.
Planar-magnetic drivers use a large, low-mass diaphragm driven evenly across its surface for exceptional detail and freedom from compression. Wisdom’s PEEK film is chosen for its acoustic and mechanical properties. Pairing the planar array with dynamic woofers, controlled by outboard DSP, yields a coherent, wide-bandwidth on-wall loudspeaker.
Type: planar-magnetic hybrid on-wall point-source loudspeaker. Drivers: large planar-magnetic driver; two 6-inch woofers. Frequency response: 40Hz–20kHz (±2dB); 40Hz–15kHz (±2dB) at 30° off-axis. Sensitivity: 87dB (2.83V/1m). Impedance: planar 3 ohms, woofer 5 ohms. Power handling: 200W continuous. Amplification: two channels plus external DSP required. Dimensions: 7.2 × 19.28 × 5.87 in. Weight: 23 lb. Finishes: customisable colours and grilles.
The C20m suits installations that call for reference planar sound on the wall — where in-wall mounting is not practical, or where a low-profile on-wall look is preferred — in a high-end music room, media room or cinema. It is a configurable, designed-in component, and pricing is on application.
On-wall loudspeakers of this class must be matched to the room, amplification and DSP to perform their best. We specify, supply and install Wisdom systems across the South, integrating them with amplification, processing and control. Speak to our team to discuss your project or arrange a demonstration.
