Specifications
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Following are the specifications for the Boston Acoustics BA745 2.1 analog speaker system.
Specifications are subject to change without notice or obligation.

Feature Specification
Satellite Speakers Audio Characteristics
Amplifiers 1.7 Watts/channel at 1 kHz and 1% THD
Input Impedance 10K - 100K ohms
Driver Size 2.5 inches
Controls Volume and treble rotary, attached to one satellite
Frequency Response 240 - 20k Hz, ±3 dB
Subwoofer Audio Characteristics
Amplifiers 7 Watts at 100 Hz and 1% THD
Frequency Response 56 - 240 Hz, ±3 dB
Driver Size 4.5-inch bass driver in a ported enclosure
Desktop Type Power Supply 12 VAC, 1.5 amp
Power Connector Japan and USA - wall pack