Product description RCA/Thompson (AW820) 900MHz WIRELESS SPEAKER From the Manufacturer Here's total flexibility for your sound system! Two-way speakers deliver high-quality stereo and TV audio anywhere in the home, up to 300 feet (range may vary by environment)

Expand your sound system instantly, without the hassle and expense of running speaker wire

Separate 4" woofer and 1" dome tweeter for extended high frequencies and rich bass sound Front panel controls for easy operation Dual-power option allows speakers to run on batteries (not included) or AC adapters (included) Specifications and Features: Transmitter Omnidirectional Effective transmitting range: up to 300 feet Adjustable audio input level Variable frequency adjustment between 912.5 to 914.5 MHz 3.5 mm miniplug inputs UL listed AC adapter Speakers 10 Watts per channel RMS (each speaker) Two-way acoustic suspension design 1" dome tweeter; 4" Tuff-Kote woofer Integrated power / volume control (front) Individual frequency fine tuning (front) Left / mono / right switch (front) Frequency response: 30 Hz - 20 kHz Signal-to-noise ratio: 60 dB Channel separation: 30 dB Distortion: <1.5% UL listed AC adapters (2 - one for each speaker) Operates on 8 "C" cell batteries (not included) or AC adapter (included)