Technics SB-AS500 Active Subwoofer

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Technics SB-AS500 Active Subwoofer
$239
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Features

Built-in 100W (20-200Hz, 1ohms, 1% THD) Class D (switching) power amp for deep, powerful bass. No separate subwoofer amp is required.
Auto power on/off function automatically turns power off if no input signal is supplied for about ten minutes.
Downward-firing design for powerful bass reproduction
5-1/2" cone type dual woofers
Selectable Low pass filter cutoff frequency between 50Hz and 200Hz to match the low frequency characteristics of other speakers in the system.
Phase switch allows switching between normal and reverse settings to assure the optimum match with other speakers and room acoustics
Designed for optimum matching with Technics SA-AX540, SA-DX940 receivers

Configuration	1-way, 2-speaker (Bass-reflex)
Speaker Units Woofer	5 1/2" (14cm) cone type x 2
Input Power	200W (music), 100W (DIN)
Sound pressure level	83dB/W/m
Impedance	1 ohm
Frequency Range	38Hz-410Hz (-16dB)
Dimensions (W x H x D)	12 17/32" x 14 31//32" x 16 15/16" (318.6 x 382 x 430mm)
Weight	22.7 lbs (10.3kg)
Amplifier Section
Continuous power output	100W (20Hz-200Hz, 1 ohm, 1% THD)
Phase switching	Normal/Reverse
Power consumption	40W
Input sensitivity/impedance RCA-type pin-plug jack	335mV/15kOhms