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Horn Size: 3 Inch+2 Inchx2, Input Power: DC 5V, Input Impedance: 10KΩ, Control: Total Volume / Bluetooth / Remote Control / USB/ TF, Output Power: 5W+2.5W*2, The Impedance Of The Bass Unit: 4 Ω, Frequency Response: 20Hz-20KHz, Box Size: 120x 190x 155mm.

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Image	Product (link)	Price	Coupons
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	ZK-MT21 2.1 Channel Bluetooth-compatible Subwoofer Amplifier Board 50W X 2+100W Power Audio Stereo Amplifier Board Bass AMP AUX	$10.98	–
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Updated: 07-07-2025

Banggood

Warehouse in China.
Link: Bluetooth Subwoofer Speaker
$36.16 with coupon: AM15prime
$37.44 with coupon: BgAuMotor
$37.44 with coupon: b71c67

Additional Banggood coupons:
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2. Second page

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Price history (for all/most countries) for Bluetooth Subwoofer Speaker is here. The lowest price was: $28.04.
Price records source(s): Banggood
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