Klipsch CS-16CSM In-Ceiling Speaker (Each) at Vinyl Sound Toronto Canada

The CS-16CSM is a 6.5-inch stereo in-ceiling speaker from Klipsch (Indianapolis, Indiana, USA), available at Vinyl Sound in Toronto, Canada. Part of the Klipsch Custom Series, the CS-16CSM is engineered to deliver true stereo sound from a single ceiling-mounted unit — the defining feature that sets it apart from conventional single-driver in-ceiling speakers. It uses a 6.5-inch Dual Voice Coil Polymer woofer paired with dual 0.75-inch Polymer Dome tweeters, producing left and right channel audio simultaneously from one opening, and achieves 91 dB sensitivity across a frequency range of 65 Hz to 20 kHz. The patented SkyHook tool-free installation system reduces installation time by up to 75 percent compared to conventional dog-leg mounting methods.

True Stereo Sound from a Single In-Ceiling Speaker

The CS-16CSM solves one of the most common challenges in residential audio installation: delivering stereo sound to rooms where ceiling joist spacing, structural elements, or space constraints make it impossible to mount two separate speakers. The dual voice coil woofer in the CS-16CSM has two independent voice coils wound on a single former, one receiving the left channel signal and the other receiving the right channel signal simultaneously. Each voice coil drives its corresponding 0.75-inch Polymer Dome tweeter, so the speaker physically reproduces left and right channel audio from a single enclosure. This makes the CS-16CSM the appropriate choice for small rooms, bathrooms, kitchens, walk-in closets, hallways, and any space where a stereo pair of conventional speakers cannot be accommodated within the ceiling structure.

Dual Voice Coil Woofer Design

The 6.5-inch Dual Voice Coil Polymer woofer in the CS-16CSM is a purpose-built driver for stereo single-point audio. The Polymer cone is chosen for its combination of stiffness, light weight, and moisture resistance, making it suitable for installation in kitchens, bathrooms, and covered outdoor areas as well as standard living spaces. The dual voice coil configuration means the woofer reproduces summed bass content from both channels — the low frequencies of left and right channel signals blend naturally in the listening room, while the individual tweeters maintain stereo separation in the upper midrange and treble frequencies where directional differences between channels are most audible to the listener.

Dual Polymer Dome Tweeters

The two 0.75-inch Polymer Dome tweeters in the CS-16CSM are positioned at an angle relative to each other within the speaker baffle. Each tweeter handles the high-frequency content of one stereo channel, creating a degree of spatial separation between the left and right channel treble output. This angled positioning widens the perceived stereo image beyond what a single tweeter could produce, which is the key factor that distinguishes a dedicated stereo in-ceiling speaker like the CS-16CSM from a standard mono in-ceiling speaker receiving a summed stereo signal. The Polymer dome material provides smooth high-frequency response with good long-term durability in humid or variable-temperature installation environments.

Patented SkyHook Tool-Free Installation System

Like the rest of the Klipsch Designer and Custom Series range, the CS-16CSM uses the Sky Hook Cinch by Swarm installation system. The speaker body is inserted into a 7.99-inch cutout and the internal dog legs engage automatically at a factory-preset clamping force, securing the speaker to the ceiling without any tools. The preset torque eliminates the risk of overtorquing and drywall damage that occurs with manually tightened conventional dog-leg systems. For uneven ceiling surfaces, a quarter-turn adjustment of each dog-leg screw achieves a flush, level finish. The mounting depth is 3.98 inches — shallower than most competing stereo in-ceiling speakers — making the CS-16CSM compatible with tighter ceiling joist bays. An optional fire-rated enclosure (ME-650-C) and installation kit (IK-650-C II) are available separately.

Key Features

• 6.5-Inch Dual Voice Coil Polymer Woofer: A single woofer with two independent voice coils reproduces left and right channel bass and midrange signals simultaneously, enabling true stereo output from a single ceiling cutout.
• Dual 0.75-Inch Polymer Dome Tweeters: Each tweeter handles one stereo channel's high-frequency content, positioned at an angle within the baffle to widen the perceived stereo image beyond what a single tweeter can achieve.
• 91 dB Sensitivity: High efficiency makes the CS-16CSM well-suited for multi-zone distributed audio systems, whole-house audio networks, and installations where long speaker wire runs reduce available amplifier power at the terminals.
• 65 Hz to 20 kHz Frequency Range: Extended low-frequency response to 65 Hz allows the CS-16CSM to reproduce bass content with depth and body without requiring a subwoofer in smaller rooms.
• Patented SkyHook Tool-Free Installation: The Cinch by Swarm mechanism auto-engages dog legs at a preset clamping force on insertion, preventing ceiling damage and cutting installation time by up to 75 percent.
• Bezel-Free Magnetic Grille: A powder-coated magnetic steel grille attaches flush to the ceiling with no visible bezel ring, creating a seamless, discreet appearance. The grille is paintable to match any ceiling color.
• Shallow Mounting Depth of 3.98 Inches: A compact rear depth makes the CS-16CSM compatible with tighter ceiling spaces where deeper speakers cannot be accommodated.
• 40W RMS / 160W Peak Power Handling: Suitable for connection to multi-zone amplifiers, AV receivers, and residential distributed audio systems in standard living spaces.

Technical Specifications

Frequently Asked Questions

What is the Klipsch CS-16CSM?

The Klipsch CS-16CSM is a 6.5-inch stereo in-ceiling speaker from the Klipsch Custom Series, featuring a Dual Voice Coil Polymer woofer and two 0.75-inch Polymer Dome tweeters that reproduce left and right stereo channel audio simultaneously from a single ceiling opening. It delivers 91 dB sensitivity, handles 40W RMS, and covers 65 Hz to 20 kHz, making it the appropriate choice for small rooms, bathrooms, kitchens, and hallways where two separate speakers cannot be mounted.

How does the Klipsch CS-16CSM compare to the DS-160C or DS-160CDT in-ceiling speakers?

The CS-16CSM, DS-160C, and DS-160CDT all share the same 6.5-inch woofer format and SkyHook installation system, but they serve different installation scenarios. The DS-160C and DS-160CDT are mono speakers intended to be used in pairs for stereo listening, and both use Klipsch's Tractrix® horn-loaded tweeter for higher efficiency and controlled dispersion. The CS-16CSM is a single-point stereo speaker with a dual voice coil woofer and two independent tweeters, designed specifically for spaces where only one speaker can be installed. The DS-160CDT adds a pivoting CDT aiming mechanism that the CS-16CSM does not include. For rooms that can accommodate two speakers, the DS-160C or DS-160CDT pair will deliver better channel separation and Tractrix® horn performance; the CS-16CSM is the purpose-built solution when one opening is all that is available.

Can the Klipsch CS-16CSM deliver true stereo sound?

Yes, the CS-16CSM is engineered specifically to reproduce stereo from a single mounting position. The dual voice coil woofer receives left and right channel signals on separate voice coils, and each corresponding 0.75-inch tweeter handles the high-frequency content of its respective channel. The two tweeters are angled within the baffle to create spatial separation between channels, widening the perceived stereo image. While the stereo separation produced by one CS-16CSM unit is narrower than a properly spaced stereo pair of conventional speakers, it is a significant improvement over a mono summed signal and is well-suited to background music listening in smaller spaces.

What does "Dual Voice Coil" mean on the CS-16CSM woofer?

A dual voice coil woofer has two independent sets of wire windings on a single former inside the driver. In the CS-16CSM, one voice coil receives the left stereo channel signal and the other receives the right channel signal. Both voice coils share the same cone and move it together, so the woofer reproduces a combination of both channels at low frequencies. Because bass frequencies are largely non-directional in a listening room, this blending of channels in the woofer is not perceived as a degradation of stereo imaging; the spatial difference between channels is primarily heard in the midrange and treble, where the separate tweeters maintain channel independence.

Is the Klipsch CS-16CSM suitable for a bathroom or kitchen installation?

Yes, the CS-16CSM is a practical choice for bathrooms, kitchens, and other moisture-prone spaces. The Polymer woofer cone and Polymer dome tweeters are moisture-resistant materials that handle humidity and temperature variation better than paper or natural fiber cones. The ABS basket and frame also resist corrosion in high-humidity environments. The shallow 3.98-inch mounting depth is an additional advantage in spaces where mechanical services above the ceiling limit available depth, as is common above bathroom ceilings in multi-storey residential construction.

Where can I buy the Klipsch CS-16CSM in Toronto or Canada?

The Klipsch CS-16CSM is available at Vinyl Sound, an authorised Klipsch dealer in Toronto, Canada. Vinyl Sound carries the full Klipsch Custom Series and Designer Series in-ceiling speaker range and can assist with system planning, amplifier selection, and accessory recommendations including the IK-650-C II installation kit and the ME-650-C fire-rated enclosure for code-compliant residential builds across the Greater Toronto Area and beyond.

Is the Klipsch CS-16CSM sold individually or as a pair?

The CS-16CSM is sold individually as a single speaker unit. Because it is a stereo speaker by design, a single unit is typically sufficient for one room or zone in a distributed audio system. For larger rooms or spaces where wider stereo spread is desired, two CS-16CSM units can be installed and wired as a stereo pair, with each unit dedicated to a single channel, though this application is less common given the speaker's purpose-built single-point stereo function.

Does the Klipsch CS-16CSM require a fire-rated enclosure?

The CS-16CSM operates as an infinite baffle design and does not require an enclosure for standard drywall ceiling installations in typical residential construction. The optional ME-650-C fire-rated enclosure is available separately for projects where local building codes mandate fire separation between floors or rooms, and the optional IK-650-C II installation kit with mud ring and color-coded brackets is available for professional custom integration builds requiring code-compliant framing.