Altec Lansing M812 User Manual page 12

Specifications
Type
Dimensions (W x D x H)
Power Output
Signal-to-Noise Ratio @ 1 kHz
Frequency Response (System)
Wireless Transmission Type
Wireless Transmission Range
Speakers
Remote Control
Power Source
Description
Wireless Speaker
17.9 x 4.5 x 10 inches
(457 x 115 x 255 mm)
Transmitter Base
4.7 x 5.2 x 1.2 inches
(120 x 12 x 1 mm)
50 Watts continuous per channel
100 Watts continuous/200 peak (total)
90 dB ("A" weighted)
45Hz – 20kHz (+/–  dB)
2.4 GHz digital transmission for stereo audio
Range of approximately 100 feet (0 meters)
Two 4-inch mid-bass drivers and two 1-inch silk dome tweeters
Full function, infrared
Wireless Speaker
AC (as indicated on rear of speaker)
Transmitter Base
9 VDC/1.6A (from supplied AC adapter)
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