PSB Alpha B1 Bookshelf

• frequency response: 65-21,000 Hz (±3dB)
• sensitivity: 91 dB
• impedance: 6 ohms
• recommended power: 15-90 watts
• 3/4" aluminum dome tweeter
• 5-1/4" clay metalized polypropylene woofer
• bass reflex (ported) design
• gold-plated five-way binding posts
• keyhole slot and dual threaded inserts for optional wall mounting
• black ash vinyl finish
• 7"W x 11-3/4"H x 9-11/16"D (each)
• weight: 10.2 lbs. (each)
• On Axis @ 0°: 65-21,000 Hz (+/-3dB)
• Off Axis @ 30°: 65-10,000 Hz (+/-3dB)
• Low Frequency Cutoff -10 dB: 55 Hz

The Alpha B1s will show you what high-end sound is all about, but at a low-end price. Like every PSB speaker, they're designed to make sure you don't miss all the thrilling special effects and emotionally engaging sounds in your movies and music. You'll be amazed by their ability to produce clean, clear highs and mids that make your movies and music come to life. It's no wonder they're among PSB's best-selling speakers.