Polk Audio Signature S15 - Bookshelf Speaker - Pair

Key Features & Specifications

2-way bass-reflex bookshelf speakers engineered for clear, balanced audio across music, movies, and games.
Features 5.25-inch Dynamic Balance® mid/bass drivers and 0.75-inch silk dome tweeters for smooth highs and detailed mids.
Frequency response: 60 Hz – 24 kHz for wide-ranging, natural sound reproduction.
Nominal impedance: 8 ohms; sensitivity: 89 dB.
Recommended amplifier power: 20 – 100 watts per channel.
Front-firing bass port for flexible placement close to walls or shelves.
Magnetically shielded enclosure—safe for placement near TVs or monitors.
Gold-plated 5-way binding posts ensure a secure, corrosion-free connection.
Durable MDF cabinet construction with internal bracing reduces unwanted resonance.
Finish: Black wood grain vinyl with removable fabric grille.
Dimensions: approx. 27.9 cm (H) × 16.5 cm (W) × 18.3 cm (D)
Weight: approx. 3.8 kg each (7.6 kg pair)

Description

Built to bring the big surround sound theater and music experience into the comfort of your living room, the Polk Signature S15 compact bookshelf speaker continues in the Polk tradition of American HiFi.

Warranty:

3-year manufacturer’s warranty

Features:

Engineered and designed in the USA
Great sound for every room
Built to last

Dynamic Balance Acoustic Array
Dynamic Balance is designed to ensure a rich, clean, full-range sound, no matter what you’re listening to. It analyzes the speaker’s electro-acoustic and mechanical system for improved material selection and more efficient geometry, then pinpoints and eliminates issues that reduce speaker performance before they become a part of the finished product.

High-Resolution Audio Performance
The Terylene dome tweeter is designed to deliver a clear and detailed high-frequency response for the realistic reproduction of vocals and instruments.

Polypropylene Mid-Range Drivers
Mica-reinforced polypropylene cones with butyl rubber surround, ceramic motor structures, and high-temperature Conex fiber spiders combine to create drivers of enhanced efficiency, for clean, clear bass, augmented linearity, lower distortion, and higher durability.

Enhanced Sensitivity and Compatibility
Whether you’re connecting them to a new digital processor or your vintage rig, the S15 is designed to provide sound reproduction that’s spacious, clear, enveloping, and realistic. Plus, it’s compatible with many Dolby and DTS surround sound technologies.

Polk Power Port Deep Bass Technology
The Power Port is designed to smoothly transition the airflow into your listening area. It also extends the overall bass port, providing a greater surface area to help eliminate turbulence and distortion, for bigger, more musical, deep bass impact.

Non-Resonant Cabinet Design
The acoustically inert enclosure helps reduce unwanted internal standing waves to help reduce audible coloration. The non-resonant Medite MDF construction, bracing, and thick baffles further help ensure lifelike sound.

Timbre-Matched
The S15 is designed with the same components throughout to achieve seamless speaker-to-speaker blending effects in multi-channel systems.

Technical Specifications:

Frequency Response	50 Hz to 40 kHz
Sensitivity	88 dB
Recommended Amplifier Power	20 to 100 W
Impedance	Compatible with 8 Ohm outputs
Crossover Frequency	2.5 kHz
High Frequency Driver	1″ (2.54 cm) Terylene high-res dome tweeter
Low Frequency Driver	5.25″ (13.34 cm) dynamic balance Mica-reinforced polypropylene mid/woofer
Inputs	Gold-plated 5-way binding post pair
Construction Material	Cabinet: Meddite MDF
Mounting Options	Keyhole hanger
Dimensions (W x H x D)	7.5 x 12 x 10.25″ (19.05 x 30.48 x 26.04 cm)
Weight	13 lb (5.9 kg)
Package Weight	29.0 lb
Box Dimensions (LxWxH)	20.0 x 15.5 x 14.0″