CHIP: DUAL TPA3116 HIFI Chip with AM Interference Suppression Function, 100W*2 Output Power
WIDE INPUT VOLTAGE RANGE: DC 9V-24V with 5.5 * 2.1mm Interface, Laptop Power Supply Is a Good Choice
BLUETOOTH & AUX INPUT:User Can Directly Connect with Wireless Bluetooth 5.0, or Choose the 3.5MM Headphone (Line in) Way
PROTECTIVE FUNCTION:Over-voltage Protection, Under-voltage Protection, Over-heat Protection, Short-circuit Protection, This means that the Bluetooth amplifier board is not easily damaged
TIP: adequate output power is required when the audio input is sufficient and the power supply voltage/current is sufficient, the relative power will be higher. Different impedance horns will have different output power.In the case of sufficient voltage and current, the larger the impedance horn, the smaller the relative sound power, please pay attention!

Shipping is complimentary within the lower 48 US States.

We Do Not Ship to PO/APO Boxes, HI or Alaska
We Do Not Ship Outside of the Continental US
All items ship within 24-72 hours of Payment
For large items that require Freight shipping a valid phone number is required to call and schedule your delivery

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We PROMISE we can make you happy if you give us a fair chance.

All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged
Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority!
All items are IN STOCK at time of listing.
Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items.
Please do not penalize us if we have to issue you a refund!

Thank You For Your Business!