Polk Audio T15 is a 2-way Passive Bass Reflex Bookshelf speaker by Polk Audio. It was released in 2016. It features a 0.75" Soft-Dome Tweeter and 1 x 5.25" Mineral-filled polymer composite Woofer.
Polk's entry bookshelf: a 5.25 inch Dynamic Balance composite mid-woofer and a 0.75 inch silk dome, front ported so it tolerates being close to a wall. Keyhole hanger on the back.
The speaker has a frequency range of 45-24k Hz and a sensitivity of 89 dB. Polk Audio T15 has an MSRP of 149$ per pair but can often be found around 125$ per pair.
Room Size Suitability
The size of the room where you plan to use the Polk Audio T15 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Polk Audio's T Series of Loudspeakers
T15 is a member of Polk Audio's T series of Passive speakers. Below you can see the main specs of these speakers.
Polk Audio T Series Speakers
Frequency Response of the Polk Audio T15 Speaker
Polk Audio T15 has a Frequency response range of 45-24k Hz and Power Range of 20-100 watts. With a minimum frequency of 45 Hz, T15 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Here we have a comparison of how T15's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Polk Audio T15?
Impedance and Sensitivity
Polk Audio T15's nominal impedance level is
8 ohms but can go down to as low as
6 ohms, and has a sensitivity of
89 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio T15 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
89dB of the Polk Audio T15 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Polk Audio T15 plays in your room →
Minimum Impedance of the Polk Audio T15
Even though the nominal impedance of the T15 is 8 ohms, the minimum impedance level of this speaker according to Polk Audio is 6 ohms Polk Audio T15 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the Polk Audio T15 need?
At normal listening levels in a medium room, about
9.5–100 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $300, or every amplifier we cover.
Input Type
T15 features 5-way post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Polk Audio T15 External Dimensions and Weight
Polk Audio T15 has external dimensions of (Height x Width x Depth) 10-5/8 x 6-1/2 x 7-1/4inch (270.0 x 165.0 x 184.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Polk Audio T15 is approximately 303.6cm2 / 47.1inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
Cabinet type and Materials
Polk Audio T15 has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Port Position
Polk Audio T15 is a front-firing port speaker, which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Wall Mounting
T15 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the Polk Audio T15 come with a Grille?
T15 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Recommended Accessories
Here is a list of accessories that we think you may need for the Polk Audio T15.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Official Product Page
Official manufacturer's product page for the Polk Audio T15 speaker can be found below:
Official Product Page for Polk Audio T15
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.