Polk Audio RTiA1 - Bookshelf Loudspeaker - Pair

Key Specifications & Features

Frequency response: approx 32 Hz to 40 kHz (-3 dB limits) per Polk’s specification sheet.
Sensitivity: ~ 90 dB (1 W/1 m) nominal.
Nominal impedance: ~8 Ω compatible. Recommended amplifier power ~20-200 W per channel.
Driver complement (per speaker): One 1″ Terylene high-res dome tweeter + two 6.5″ mica-reinforced polypropylene woofers.
Polk’s “Power Port®” down-firing bass port technology; non-resonant MDF cabinet with curved edges for reduced coloration.
Dimensions & weight: Height ~41.5″ (~105.4 cm), Width ~8.5″ (~21.6 cm), Depth ~12.5″ (~31.8 cm); Weight ~44 lb (~20 kg) per speaker.
Sold as a pair (for left & right front channels) when you order the “pair” listing.

Description

Polk Audio RTiA1 – a pair of high-fidelity bookshelf speakers. The speaker sports a 5.25″ Dynamic Balance® midbass driver and a 1″ dome tweeter to produce the classic Polk sound in a small package. Together, these high-quality drivers and the built-in Cascade Tapered Crossover deliver superior clarity, detail, and punch.

Despite being the most compact speaker in the RTi A series, the speaker sounds phenomenal. Its compact size, stellar performance, and timbre-matched tonality make it a popular choice for either standalone stereo or surround sound home theatre systems. With a plethora of patented technologies incorporated by Polk Audio, the high-fidelity bookshelf speakers offer significant value at their price point. Get ready for Polk Audio’s signature sound performance in your vinyl, stereo, or home theatre setup.

Warranty:

3-year manufacturer’s warranty

Features:

Classic Polk Audio sound quality in a compact bookshelf speaker
Custom butyl rubber surrounds and anti-diffraction grilles produce a lifetime of reliable sound

Beautiful Performance
The RTiA1 looks and sounds simply phenomenal. Ideal for both home theater and music systems, this compact bookshelf speaker combines a 5.25” Dynamic Balance® midbass driver with a 1” Dynamic Balance dome tweeter to provide solid performance and elegant styling in a convenient size.

Dynamic Balance®
Proprietary Polk Audio technology eliminates distortion-causing driver and system resonances, so all you hear is high-quality sound.

Power Port® Plus
Patented bass venting design smoothly transitions air flow, eliminating turbulence and distortion, for deeper, more efficient bass impact.

Cascade Tapered Crossover
Innovative crossover eliminates comb filtering and beaming for higher quality audio and a more expansive sound stage.

ARC®
Patented Acoustic Resonance Control® (ARC) technology suppresses distortion-causing cabinet resonance to ensure clear and natural sound.

Klippel Motor Optimization
Laser measurement technology ensures a smooth excursion path at both ends of the volume spectrum for uniform performance at all volumes.

Timbre-Matching
Compatible with the entire Polk Audio RTi Series for seamless blending from speaker to speaker in multi-channel systems.

Technical Specifications:

Quantity Included	Pair
Orientation	Vertical
Height	12″ (30.48 cm)
Width	7.38″ (18.75 cm)
Depth	11.5″ (29.21 cm)
Weight	5.44 kg
Mid-High Array Driver Enclosure Type	Power Port Bass Venting and Arc Port
Mid-High Array Driver Complement	5.25″ (13.34 cm) d (Round) Dynamic Balance driver with polymer composite cone and rubber surround – Mid/Woofer 1″ (2.54 cm) d (Round) Dynamic Balance silk polymer composite dome – Tweeter
Total Frequency Response	50 Hz → 27,000 Hz
Nominal Impedance	8 ohms
Sensitivity (1 watt @ 1 meter)	89 dB
Lower and Upper -3dB Limits	60 Hz → 26 Hz
Type	2-way
Tweeter/Midrange Crossover Frequency	1900 Hz
Recommended Amplifier Power Per Channel	20 watts → 125 watts
Speaker Inputs	(1) Pair of Dual 5-way Binding Posts – Gold-Plated