Klipsch R-40M Reference Bookshelf Speakers at Vinyl Sound Toronto Canada

The R-40M is a two-way bookshelf speaker from Klipsch (Indianapolis, Indiana, USA), available at Vinyl Sound in Toronto, Canada. The most compact model in the 2022 Reference Series lineup, the R-40M replaces the R-41M with substantive acoustic and cabinet upgrades, including the updated 90° x 90° Tractrix® Horn with increased outer dimensions and trickle-down Spun-Copper Thermoformed Crystalline Polymer (TCP) woofer technology inherited from the Reference Premiere Series. The R-40M features a single 4" Spun-Copper TCP woofer, a 1" aluminum LTS tweeter with Kapton suspension mated to the updated 90° x 90° Tractrix® Horn, and a 91 dB in-room sensitivity rating with a frequency response of 71 Hz to 21 kHz. Sold as a pair, it is an exceptionally versatile speaker suited to compact stereo listening, desktop audio, home theater front channels, and surround channel use in multi-channel systems.

90° x 90° Tractrix® Horn and LTS Aluminum Tweeter

The acoustic signature of the R-40M is defined by Klipsch's updated 90° x 90° Tractrix® Horn, which features increased outer dimensions compared to previous Reference Series bookshelf models. The larger horn dimensions allow directivity control over a wider bandwidth of frequencies, projecting high-frequency energy precisely toward the listening position and reducing artificial reverb caused by sound reflecting off walls and ceilings before reaching the listener. The 1" aluminum Linear Travel Suspension (LTS) tweeter rides on a Kapton suspension, a material that is simultaneously light and rigid, minimizing moving mass and distortion to deliver enhanced resolution and detail through the upper frequency range. This combination produces the Klipsch signature of high efficiency and focused, dynamic sound reproduction, even at modest listening distances and in smaller rooms.

Spun-Copper TCP Woofer and Reinforced MDF Cabinet

The R-40M's single 4" Spun-Copper Thermoformed Crystalline Polymer (TCP) woofer uses trickle-down cone technology derived from the Reference Premiere Series. The steeper cone angle of the TCP design improves pistonic accuracy and reduces cone breakup at higher frequencies, resulting in smoother bass and midrange response than conventional polymer cone designs of the same size. Additional ribbing in the cone structure increases rigidity further, maintaining cone integrity at sustained high excursion levels. The rear-firing bass-reflex port extends bass output to 71 Hz, and the reinforced 3/4" MDF cabinet with an updated bracing design reduces vibration-induced coloration throughout the frequency range. The compact enclosure at just 11.7" tall makes the R-40M easy to place on a bookshelf, desk, speaker stand, or in tight spaces where larger bookshelf speakers would not fit.

Key Features

• Updated 90° x 90° Tractrix® Horn: Increased outer dimensions provide directivity control over a wider bandwidth for improved high-frequency accuracy and a more precise soundstage compared to the previous Reference Series generation.
• 1" Aluminum LTS Tweeter with Kapton Suspension: Linear Travel Suspension tweeter on Kapton suspension minimizes moving mass and distortion for enhanced resolution, detail, and fatigue-free high-frequency reproduction.
• Single 4" Spun-Copper TCP Woofer: Thermoformed Crystalline Polymer cone with steeper cone angle and additional ribbing, using Reference Premiere trickle-down technology for smoother response, improved accuracy, and reduced cone breakup.
• Bass-Reflex via Rear-Firing Port: Rear-ported enclosure extends bass output to 71 Hz with minimal coloration, handling 50W continuous and 200W peak at 8 ohms.
• 91 dB In-Room Sensitivity: High efficiency for a compact bookshelf speaker allows the R-40M to reach satisfying listening levels with amplifiers producing as little as 20 to 25 watts per channel.
• Reinforced 3/4" MDF Cabinet: Updated internal bracing design reduces cabinet vibration and resonance coloration for improved sonic accuracy in a compact enclosure.
• Hidden Fasteners and Magnetic Grille: Edge-to-edge horn and concealed fasteners give the R-40M a clean, polished appearance; low-profile magnetic grille attaches without visible clips.
• Scratch-Resistant Textured Wood Grain Vinyl: Durable black textured vinyl cabinet finish integrates naturally into any room decor or desktop environment.
• Sold as a Pair: Includes two R-40M speakers, ready for use as left and right channels in a stereo or home theater system.

Technical Specifications

Frequently Asked Questions

What is the Klipsch R-40M?

The Klipsch R-40M is a two-way bookshelf speaker from the 2022 Reference Series, sold as a pair, featuring a single 4" Spun-Copper TCP woofer, a 1" aluminum LTS tweeter with the updated 90° x 90° Tractrix® Horn, and a 91 dB in-room sensitivity rating. It covers a frequency range of 71 Hz to 21 kHz, handles 50W continuous and 200W peak at 8 ohms, and measures just 11.7" tall, making it the most compact bookshelf speaker in the current Klipsch Reference lineup. It is suited to compact stereo systems, desktop audio, home theater front channels, and surround use.

How does the Klipsch R-40M compare to the R-50M or the Klipsch RP-500M II?

The Klipsch R-40M is the entry model in the Reference Series bookshelf lineup, while the R-50M steps up to a larger 5.25" TCP woofer for deeper bass extension to 55 Hz and greater output in medium-sized rooms. The Reference Premiere RP-500M II occupies a higher tier with a 5.25" Cerametallic™ woofer featuring Faraday rings, a Silicon Composite Hybrid Tractrix® Horn with compression-molded silicone face, and a vented tweeter housing, targeting more discerning hi-fi listeners. The R-40M is best suited for rooms up to approximately 100 to 150 square feet, desktop systems, or multi-channel surround applications where compact size is a priority.

Does the Klipsch R-40M need a subwoofer?

For music-only listening in smaller rooms, the Klipsch R-40M's rear-firing port extends bass to 71 Hz, covering most vocal and instrument fundamentals without a subwoofer. For home theater use, movie soundtracks, or bass-heavy music content, pairing the R-40M with a subwoofer such as the Klipsch R-101SW significantly improves low-frequency extension below 71 Hz and takes bass load off the small 4" woofer at high volumes. A subwoofer is strongly recommended when the R-40M is used as the main left and right speakers in a home theater system.

What is the TCP woofer technology in the Klipsch R-40M?

Thermoformed Crystalline Polymer (TCP) is a cone material and manufacturing process that Klipsch developed for its Reference Premiere Series and has since introduced into the Reference lineup. The TCP process produces a cone with a steeper angle than conventional flat-pressed cones, which improves the linearity of the cone's pistonic motion across its excursion range. Additional ribbing in the TCP cone increases rigidity without adding significant mass, resulting in smoother frequency response, reduced cone breakup at high frequencies, and improved accuracy compared to standard polymer or pressed paper cone designs.

Can the Klipsch R-40M be used as surround speakers in a home theater?

Yes, the Klipsch R-40M is well suited for use as surround or rear channel speakers in a home theater system. Its compact 11.7" height makes it easy to mount or place in positions where larger bookshelf speakers would be impractical, and its 91 dB sensitivity ensures it keeps up dynamically with more powerful front channel speakers. The R-40M is tonally matched to the rest of the 2022 Klipsch Reference Series, including the R-600F, R-800F, and R-605FA floorstanding speakers, making it straightforward to build a cohesive Reference Series surround system.

What amplifier pairs well with the Klipsch R-40M?

The Klipsch R-40M's 91 dB in-room sensitivity and 8-ohm nominal impedance make it one of the easiest bookshelf speakers to drive in its class. Amplifiers and AV receivers producing as little as 20 to 25 watts per channel will achieve satisfying listening levels in small to medium rooms. Common pairings in Toronto include compact stereo receivers and integrated amplifiers from Yamaha, Denon, Cambridge Audio, and NAD, as well as entry-level AV receivers for multi-channel home theater applications.

Where can I buy the Klipsch R-40M in Toronto or Canada?

The Klipsch R-40M is available at Vinyl Sound, an authorised Klipsch dealer located in Toronto, Canada. Vinyl Sound carries the complete Klipsch Reference Series lineup and provides expert guidance on amplifier matching, subwoofer integration, and home theater system configuration. Canadian customers can contact Vinyl Sound directly or shop online for shipping across Canada.