Polk Audio RTi10 Tower Speakers – 4-Driver, Real Wood Finish

$493.00

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Description

Polk Audio RTi10 Tower Speakers – 4-Driver Dynamic Balance

Polk Audio RTi10 Floorstanding Tower Speakers – Black Ash Finish with Dynamic Balance Engineering

The Polk Audio RTi10 represents the pinnacle of Polk’s RTi series tower design, delivering high-impact performance and exceptional value through a sophisticated 4-driver configuration that rarely appears in speakers at this price point. The RTi10’s Dynamic Balance technology—Polk’s proprietary system using laser imaging to eliminate resonance-causing materials—creates a smooth, wide-open response with remarkably low distortion across the entire audio spectrum. Whether powering cinematic home theater with room-shaking bass or delivering nuanced musical detail across vinyl and digital sources, these towers combine visceral dynamics with refined engineering.

The 4-driver array represents the heart of the RTi10’s performance. A 1-inch silk/polymer dome tweeter redesigned for stellar treble extension delivers clear, detailed highs without harshness, paired with neodymium magnet heat sinks for superior thermal management and power handling. The 6.5-inch polymer composite midrange operates within its own tuned enclosure, isolated by Polk’s proprietary Acoustic Resonance Control (ARC) port technology to eliminate the “thick” character that internal cabinet resonances typically impart to vocals and instruments. The result is smooth, natural vocal reproduction and transparent instrument imaging. Dual 7-inch polymer composite woofers with butyl rubber surrounds provide the room-rumbling bass authority that defines true tower performance—tight, punchy, and deep bass that you can feel while remaining articulate enough for music.

The engineering sophistication extends to Polk’s Power Port Plus venting system, a carefully designed combination of front and rear ports working with internal plates to reduce air turbulence at the port openings (eliminating the annoying “chuffing” sound), while simultaneously increasing bass efficiency. This allows the RTi10 to extend bass response down to 35Hz with minimal turbulence noise, delivering low-frequency impact that modern movie soundtracks and music recordings demand. The all-MDF cabinet features extensive internal bracing that virtually eliminates sound-muddying resonances, while the asymmetrical cabinet design helps minimize diffraction artifacts and supports an expansive, three-dimensional soundstage.

The RTi10’s practical engineering includes dual 5-way gold-plated binding posts connected by gold-plated jumpers, enabling bi-wiring or bi-amping for enthusiasts seeking maximum performance. Video-shielding allows placement near television displays without picture distortion, while adjustable spike feet mounted on stabilizer bars provide stability on any flooring type—carpet or hardwood.

Features and Capabilities:

1-inch silk/polymer dome tweeter with neodymium heat sink

6.5-inch polymer composite midrange with ARC (Acoustic Resonance Control) tuning

Dual 7-inch polymer composite woofers with butyl rubber surrounds

Dynamic Balance laser-engineered driver design for low distortion

Power Port Plus dual-port system (front & rear) for reduced turbulence

Acoustically inert all-MDF cabinet with extensive internal bracing

Asymmetrical cabinet design for reduced diffraction

Anti-diffraction floating grille for 3-dimensional imaging

Dual 5-way gold-plated binding posts for bi-wiring/bi-amping

Video-shielded for TV placement

Adjustable spike feet for any flooring type

Handles up to 300 watts

Technical Specifications:

Driver Configuration: 4-way bass-reflex design

Frequency Response: 35-26,000 Hz (-3dB); 20-27,000 Hz (overall)

Impedance: 8 ohms

Sensitivity: 89 dB

Power Handling: 20-300 watts recommended

Enclosure: Bass-reflex with Power Port Plus tuning

Dimensions: 279 x 1,108 x 451 mm (11 x 43.625 x 17.75 inches with stabilizing base)
Weight: 28.5 kg (63 lbs) per speaker

Cosmetically, this pair presents in very good condition with the Black Ash finish showing normal wear consistent with careful use. The cabinets are solid and free from structural issues, the drivers are intact, and all controls operate smoothly. The grilles are included and fit properly. Functionally, these speakers have been thoroughly tested and perform beautifully—dynamic, room-filling sound with excellent bass extension, clear midrange clarity, and smooth high-frequency response across all inputs and volume levels. These towers deliver the high-impact performance Polk RTi10s are known for.

The Polk Audio RTi10 represents genuine value for home theater enthusiasts and music lovers seeking tower speakers with multi-driver sophistication, robust engineering, and the proven dynamic capability that Polk’s RTi series delivers. Tested and ready to breath new life into your audio system.

Purchase with Confidence:

Includes Radique Audio “Bumper to Bumper” Warranty

Perpetual Trade-Back Policy—upgrade or swap with peace of mind

4-driver Dynamic Balance design with Polk’s Power Port Plus technology.

This pair is too big to safely ship. However, we do offer curbside delivery within Ottawa and also along the Montreal, GTA corridors, and points in between. For more information, please see Radique Audio Curbside Delivery

🚚 Shipping Note for This Item

Due to its size, weight, or fragility, this product cannot be shipped by standard courier — but we’ve got you covered. We offer two great alternatives:

Personal delivery — We deliver in-person anywhere along the Windsor–Québec City corridor, carefully and on your schedule.

Freight shipping — We ship skid-mounted via freight carrier to anywhere in Canada, and we stand behind it — if something arrives damaged, we make it right.

Full details on both options are on our Curbside Delivery page. 👈

Ready to make it yours? To hold the item and avoid missing out, go ahead and purchase using Local Pickup at checkout — then contact us to arrange delivery or freight for an additional fee. We’ll take it from there!

Additional information
Weight136 lbs
Dimensions21.75 × 28 × 47.6 in
About brand
Polk Audio at Radique
New Polk Audio, too, quoted direct from the Canadian distributor:
We service Polk, too. Bring us your own Polk speakers and subwoofers for repair, servicing or restoration (speakers up to 80 lbs each), with a 90-day warranty on the work. See our Audio Service page

Polk Audio began in Baltimore in 1972, founded by Matthew Polk, George Klopfer and Sandy Gross. Its SDA speakers of the 1980s used a cable between the left and right speakers to widen the stereo image. We carry Polk towers, bookshelf speakers, centre channels and subwoofers. We've had more than 180 Polk listings so far, covering more than 80 different models. Every used Polk here is inspected, tested and serviced as required, then photographed in-house and covered by our Bumper-to-Bumper Warranty and Perpetual Trade-Back Program. Looking for new Polk? We also quote new Polk Audio direct from the Canadian distributor, with free shipping within Canada: request a quote below. Don't see the model you want? Tell us on First Dibs and we'll email you when one arrives.

Our five best-selling Polk models so far: the RTi10 towers, the PSW10 and PSW125 subwoofers, the RTi4 bookshelf speakers and the CSi3 centre.

The Polk story, 1972 to today

Matthew Polk, George Klopfer and Sandy Gross, graduates of Johns Hopkins, founded Polk Audio in Baltimore, Maryland, in 1972. The Monitor 7 of 1974 was their first model to succeed, and the Monitor 10 followed in 1976.

SDA. In 1984 Polk introduced SDA (Stereo Dimensional Array). A cable between the left and right speakers lets each one cancel the sound that crosses over to the wrong ear, for a wider stereo image.

Growth. Polk went public in 1986 and moved to new premises in Baltimore. It began moving manufacturing to Tijuana, Mexico, in 1988, and by 2012 Stereophile reported that Polk designed in the US and built in China.

New owners. Directed Electronics agreed to buy Polk in 2006. Polk later became part of Sound United, Masimo bought Sound United in 2022, and in September 2025 HARMAN, a Samsung company, completed its purchase of Sound United. The 2018 Legend series brought SDA back.

Which Polk is which?

Monitor (1970s to early 1990s): the Monitor 4, 5, 7, 10 and 12, with A, B and C revisions.

SDA (1984 to about 1991): the SDA-1 and SDA-2 families, CRS, SRS and the later "TL" models.

RTA (1979 to 1992): towers such as the RTA 11t, with two woofers and two passive radiators.

RT and RTi (2001 onward): Polk's lower-priced lines. Our best-selling RTi10 towers and RTi4 bookshelf speakers come from here.

CSi centres and PSW subwoofers: the CSi3 centre and the PSW10 and PSW125 subwoofers are among the Polks we sell most.

LSi (about 2001 to 2010) and LSiM (2011): Polk's flagship lines of that decade, followed by Signature (2016), Legend (2018) and Reserve (2021).

Buying used Polk: what to check

SDA cable. SDA speakers need the interconnect cable between them for the SDA effect, and early SDA models need a common-ground amplifier. Make sure the cable comes with the pair.

Tweeters. Owners report that some SL3000 tweeters on the 1989 to 1991 SDA TL models leaked their ferrofluid and failed, and that Monitor-series pairs may carry mismatched factory or replacement tweeters. Check that every tweeter plays.

Surrounds. Some early Polks used foam surrounds, which rot with age; later models such as the RTA 11t and LSiM use rubber. Press gently on each woofer surround.

Everything we list is inspected, tested and serviced as required here, and comes with our warranty.