SpeakerDecision
  • SPEAKERS
    • By Type
      Passive Bookshelf Speakers Passive Floor-standing Speakers Passive Center Channel Speakers Passive In-wall Speakers All Passive Speakers Powered Subwoofers Powered Stereo Speakers
      By Brand
      Acoustic Energy Aperion ATC Audio-Technica Audioengine Bluesound Bowers Wilkins Buchardt Cambridge Audio Canton DALI Definitive Technology Dynaudio ELAC Emotiva Fluance Focal Fyne Audio Genelec GoldenEar Harbeth Jamo JBL Kanto KEF KLH Klipsch Leak Mackie Magnepan MartinLogan McIntosh Mission MoFi Monitor Audio Nuvo Onkyo OSD Paradigm Perlisten Polk Audio PS Audio PSB Q Acoustics REL Revel Russound Sennheiser Sonos Sonus faber Sony Spendor SVS Tannoy Technics Triangle Velodyne Victrola Wharfedale Wilson Audio Yamaha
  • AMPLIFIERS
    • By Type
      All Amplifiers Integrated Amplifiers Stereo Receivers Streaming Amplifiers Power Amplifiers
      By Brand
      Accuphase Advance Paris Anthem Arcam Audio Research AudioControl Audioengine Audiolab Bluesound Bose Buchardt Cambridge Audio Denon Devialet ELAC Emotiva Eversolo FiiO Fosi Audio Hegel HiFi Rose Integra JBL LEAK Luxman Marantz Mark Levinson McIntosh Michi MISSION MOON Musical Fidelity NAD Naim Onkyo OSD Parasound Pass Labs Peachtree PrimaLuna Primare PS Audio Rega Rogue Audio Roksan Rotel Schiit Audio Sonos Sony SVS T+A TEAC Technics Vincent WiiM Yamaha
  • SMART FIND
  • TOOLS
  • BLOG
  1. Home
  2. Polk Audio Speakers
  3. Passive Floor-standing Speakers
  4. Polk Audio TSi300
Polk Audio TSi300 Review
Polk TSi300 - Image 1

Main Features

  • 1" Tweeter
  • 2 x 5.25" Organic Fiber Woofer
  • 47-24k Hz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 20-150 watts
  • Weight: 26.00 lbs / 11.82 kg
  • Dimensions(HxWxD): 36-1/4"x8-3/16"x11-3/4" / 921.0 x 208.0 x 299.0mm
MSRP: $179 (list price)
Check price atAmazon›

Compare To

x
Add a Speaker for comparison
Polk TSi300 Review
Polk TSi300 Polk TSi300
Check price atAmazon›

Polk Audio TSi300 is a 2-way Passive Bass Reflex Floor-standing speaker by Polk Audio. It was released in 2011. It features a 1" Tweeter and 2 x 5.25" Organic Fiber Woofer. The speaker has a frequency range of 47-24k Hz and a sensitivity of 90 dB. Polk TSi300 has an MSRP of 358$ per pair.

Room Size Suitability

The size of the room where you plan to use the Polk TSi300 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-fieldBad
Small RoomPoor
Mid-size RoomGood
Large RoomGood
Very Large RoomPoor

(* 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 TSi Series of Loudspeakers

TSi300 is a member of Polk Audio's TSi series of Passive speakers. The TSi range were Polk Audio's popular affordable speakers with silk-dome tweeters. Below you can see the main specs of these speakers.

See all 5 Polk Audio TSi models compared »

Polk Audio TSi Series Speakers
Model Frequency SensitivityImpedance Woofer
Polk TSi100
Compare
61-24k Hz 89 dB8Ω 1 x 5.25"
Polk TSi400
Compare
44-24k Hz 91 dB8Ω 3 x 5.25"
Polk TSi200
Compare
50-24k Hz 89 dB8Ω 2 x 5.25"
Polk TSi300
47-24k Hz 90 dB8Ω 2 x 5.25"
Polk TSi CS10
Compare
63-24k Hz 91 dB8Ω 2 x 5.25"


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response of the Polk TSi300 Speaker

Polk TSi300 has a Frequency response range of 47-24k Hz and Power Range of 20-150 watts. With a minimum frequency of 47 Hz, TSi300 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 TSi300's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Polk TSi300
Min
Average
Median
Thinking about a subwoofer for the Polk TSi300?
  • Work out the crossover setting — it follows from this speaker's 47 Hz low end
  • Powered subwoofers under $500 — a similar price range to these speakers
  • Every powered subwoofer we cover, whatever the budget

Impedance and Sensitivity

Polk TSi300's nominal impedance level is 8 ohms and has a sensitivity of 90 dB.

Sensitivity
Floor-standing Speakers
Polk TSi300
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio TSi300 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

90dB of the Polk Audio TSi300 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Polk TSi300 plays in your room →

What amplifier does the Polk TSi300 need?

At normal listening levels in a medium room, about 7.5–120 W per channel into 8 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery — not just watts.

Prefer to browse? Integrated amplifiers under $500, or every amplifier we cover.

Input Type

TSi300 has 5-way post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.

Work out what gauge speaker cable this run needs →

Polk TSi300 External Dimensions and Weight

Polk TSi300 has external dimensions of (Height x Width x Depth) 36-1/4 x 8-3/16 x 11-3/4inch (921.0 x 208.0 x 299.0mm ).

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 TSi300 is approximately 621.9cm2 / 96.4inch2.

To get a better perspective on the real life size of Polk TSi300, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Polk TSi300 Real Life Body Size Comparison
Polk TSi300 Speaker Size Compared to a Compact Disc

Here we place the Polk TSi300 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Polk TSi300 placed next to a Media Stand
Polk TSi300 Floor-standing Speaker next to a Media Stand

Find speakers that fit your shelf or alcove →  ·  Work out where they should sit in the room →

Weight

The Polk TSi300 weighs 11.82kg / 26lbs per piece. Here is a comparison of how TSi300's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Polk TSi300
Min
Average
Median
Weight
Floor-standing Speakers under $500
Polk TSi300
Min
Average
Max

How does the Polk TSi300 compare to the Polk Audio TSi400?

One of the natural alternative to the Polk TSi300 is the TSi400 which is located one step higher in Polk Audio's Passive Floor-standing selection.

Check the Detailed Comparison of Polk TSi300 vs TSi400 for more details.

Cabinet type and Materials

Polk TSi300 has a Bass Reflex type cabinet and a Wood-grain vinyl finish. 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 TSi300 is a bottom-firing port speaker.

Available colors

Polk TSi300 is available in Black.

Does the Polk TSi300 come with a Grille?

TSi300 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.

What's in the Box of Polk TSi300?

Here are the items that are included inside the box of TSi300:
  • Tower speaker
  • Detachable cloth grille (installed)
  • Owners Manual
  • Wall-Mount template
  • Online registration sheet
  • Polk Audio product brochure

Recommended Accessories

Here is a list of accessories that we think you may need for the Polk Audio TSi300.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • 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.

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

Polk Audio TSi300 Alternatives in Passive Floor-standing Speakers
Model Type Sensitivity Impedance Frequency
Polk TSi400
Compare
2-way 91 dB 8 ohms 44-24k Hz
Polk TSi200
Compare
2-way 89 dB 8 ohms 50-24k Hz
Polk TSi100
Compare
2-way 89 dB 8 ohms 61-24k Hz
Polk XT60
Compare
2-way 86 dB 8 ohms 38-40k Hz
Sony SS-CS3
Compare
3-way 88 dB 6 ohms 45-50k Hz
Polk S50
Compare
2-way 89 dB 8 ohms 33-40k Hz
Klipsch R-620F
Compare
2-way 96 dB 8 ohms 38-21k Hz
Jamo S 809
Compare
2-way 90 dB 8 ohms 37-26k Hz
Frequently Asked Questions about Polk Audio TSi300

What amplifier do you need for the Polk TSi300?

Polk Audio rates the Polk TSi300 for 20-150 watts of amplifier power. It is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the Polk TSi300 easy to drive?

The Polk TSi300 has a sensitivity of 90 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the Polk TSi300 need a subwoofer?

The Polk TSi300 reaches down to 47Hz (full range 47-24k Hz). That covers most music, though a subwoofer still adds the bottom octave for home theatre.

What drivers does the Polk TSi300 use?

The Polk TSi300 is a 2-way design using a 1" tweeter and 2 x 5.25" Organic Fiber woofers.

Is the Polk TSi300 sealed or ported?

The Polk TSi300 uses a Ported enclosure. A ported design uses a tuned vent to get more low-end output from the same driver, but it wants some breathing room behind it.

Can the Polk TSi300 be bi-wired or bi-amped?

Yes. The Polk TSi300 has two sets of terminals, so it can be bi-wired or bi-amped: bi-wiring runs separate cable to the treble and bass sections, bi-amping gives each its own amplifier channel. It uses 5-way post terminals.

Can the Polk TSi300 be wall mounted?

The Polk TSi300 does not include a wall-mount bracket or keyhole, so it is designed to sit on a stand, shelf or the floor.

Does the Polk TSi300 come with grilles?

Yes. The Polk TSi300 comes with removable grilles.

How big and heavy is the Polk TSi300?

The Polk TSi300 weighs 11.82kg / 26lbs each and measures 36-1/4 x 8-3/16 x 11-3/4inch (HxWxD).

How much does the Polk TSi300 cost?

The Polk TSi300 has a manufacturer's list price (MSRP) of $358 per pair.


Polk TSi300 Detailed Specifications

General
BrandPolk Audio
Full Model NamePolk Audio TSi300
Speaker Type2-way Floor-standing
Power Range20-150 watts
Sensitivity90 dB
Impedance8 ohms
Frequency Response47-24k Hz
Release Date2011
DRIVERS
Woofer Size5.25-inch
Woofer CompositionOrganic Fiber
Woofer SurroundButyl Rubber
Tweeter Size1-inch
Port Positionbottom

CONNECTIONS
Connector Type5-way post
Biamp InputsYes
Port Positionbottom
PHYSICAL SPECS
Height921.0mm ( 36-1/4-inch)
Width208.0mm ( 8-3/16-inch)
Depth299.0mm ( 11-3/4-inch)
Height921.0mm ( 36-1/4-inch)
Weight11.82 kg (26 lbs)
EnclosureBass Reflex
FinishWood-grain vinyl
Available ColorsBlack
Mounting BracketNo
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
Was this review useful?
Tell us what is missing or wrong and we will fix it.
Thanks. Anything you would add?
Optional, and it goes straight to the person who maintains this page.
Thanks — noted.
LATEST BLOG POSTS

Cambridge Audio Is Recalling Every YOYO (M) Speaker Ever Sold, Over a Battery Fire Risk
Naim's Uniti Star Lite Is the Star Without the CD Drive, Because the Drive Stopped Existing
Naim's CI-Uniti 102 Makes the Same 150 Watts as the $9,999 Nova PE, for $1,799
Our Speaker Placement Calculator Draws Your Room, and Says Which Rules Are Actually Physics
FiiO's EUR 269 AIR AMP Undercuts Every WiiM Amp, and Drops the One Thing They All Have
Yamaha WXA-70A: The Same 55 Watts as the WXA-50, at Twice the Price


Latest Passive Floor-standing Speakers
Wharfedale Elysian 3 R
Wharfedale Elysian 3 R
3-way Floor-standing | 89 dB | 4 ohms
Revel Performa4 F346
Revel Performa4 F346
2-way Floor-standing | 88 dB | 6 ohms
Revel Performa4 F345
Revel Performa4 F345
2-way Floor-standing | 87 dB | 6 ohms
DALI SONIK 9
DALI SONIK 9
3-way Floor-standing | 90 dB | 6 ohms
DALI SONIK 7
DALI SONIK 7
3-way Floor-standing | 88.5 dB | 6 ohms
DALI SONIK 5
DALI SONIK 5
2-way Floor-standing | 88 dB | 6 ohms
JBL L100 Classic 80
JBL L100 Classic 80
3-way Floor-standing | 90 dB | 4 ohms
Klipsch OJAS kO-R2
Klipsch OJAS kO-R2
2-way Floor-standing | 97 dB | 8 ohms
Klipsch Heritage Klipschorn 80th Anniversary
Klipsch Heritage Klipschorn 80th Anniversary
2-way Floor-standing | 103 dB | 8 ohms
Monitor Audio Silver 300 8G
Monitor Audio Silver 300 8G
3-way Floor-standing | 88 dB | 8 ohms


Copyright © 2026 by SpeakerDecision
About Privacy Contact US Camera Decision