1. Using high quality materials quality is guaranteed
2. Bridge single 600W, dual 300W + 300W
3. Easy to use, temperature control/manual control of the fan
4. The use of oxygen-free copper wire to improve the quality of sound; magnetic shielding mechanism anti-electromagnetic interference EMI performance
5. With preamplification, 26-36dB adjustable
Product Name: 300W Dual/600W Mono Pure Rear Stage Amplifier Board
Amplifier Chip: TPA3255
Adaptable Power Supply: Working voltage range 18-50VDC, limit 53V. Recommended to use DC power supply with voltage 36-48V and current 10A or above. The higher the voltage, the higher the output power.
Adaptable Speaker: 3-8 ohms in BTL dual-channel mode, 50-300W; 2-8 ohms in PBTL mono mode, 100-600W
Heat dissipation: Temperature-controlled automatic air-cooling, or manually select the fan to keep turning.
Gain selection: potentiometer 10-step adjustment, 26dB-36dB
Bridge mode: power off first, No.1 dip switch to ON position, output R+L+ shorted parallel output, R-L- shorted parallel output.
Maximum power:
BTL mode, 2*300W@50V 4Ω, 160W@50V 8Ω;
PBTL mode, 600W@50V 2Ω, 300W@50V 4Ω, 160W@50V 8Ω
Protection mechanism: Input under-voltage, over-temperature, over-current, short circuit protection. No input anti-reverse protection, positive and negative poles can not be reversed!
digital amplifier board * 1
shell accessories * 1
1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.
1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.