Bluetooth Audio Amplifier Board 2.1 Channel 2*50W+100W with Heat-dissipating Aluminum
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Shipping
We are an online wholesale platform and shipping costs are charged separately for greater benefit to you.
Air freight costs are based on the weight of the product (including packaging bags and cushioning materials). For products under 2kg, freight is calculated in 50g increments. For products between 2kg and 4kg, freight is calculated in 100g increments. For products over 4kg, freight is calculated in 1kg increments.
If your order exceeds 4kg or the shipping cost exceeds $70, we recommend contacting our customer service for an accurate shipping quote. You will need to provide your zip code address when you contact us.
Air freight options include DHL, UPS, FedEx, and Yun Express, with a delivery time of 7-12 days.
When the weight of the express delivery exceeds 12kg or air shipping cost exceeds US$100 or sea shipping cost exceeds US$50, you can choose B2B shipping:
Air freight(10-14 days)
Yun quik boat sea freight (15-20 days)
Quik boat sea freight(20-25 days).
Air freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$7.5/kg + US$2 | 10-15 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$8.5/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$9.0/kg + US$2 | ||
Yun quit boat sea freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$3.4/kg + US$2 | 15-20 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$3.6/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.8/kg + US$2 | ||
Quit boat sea freight B2B express |
|||
| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$2.6/kg + US$2 | 20-25 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$2.8/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.0/kg + US$2 | ||
Processing starts after your payment confirmed. Normally, it needs 2-5 days. The processing time depends on the quantity of items.
Subwoofer Audio Amplifier Board: 50W+50W+100W, Bluetooth 5.0 wireless connection, supports Bluetooth + AUX audio input, Supports 2.1-channel configuration, including left channel, right channel and subwoofer output. The left and right channels each provide 50W output power, and the subwoofer can reach a maximum output power of 100W, creating an immersive sound experience.
This digital amplifier board is equipped with independent high and low frequency adjustment buttons, allowing you to adjust the high and low frequencies directly through the module without using a player or speakers;
This audio power subwoofer amplifier module uses a high-power chip, features AM interference suppression, shielded power inductors, and a low-noise preamplifier, allowing you to enjoy a more perfect sound quality experience;
Multiple Protection Functions, including over-voltage protection, under-voltage protection, over-temperature protection, short-circuit protection and reverse connection protection. These smart protection features ensure that your device is protected in every situation, so you can enjoy your music with confidence.
Note that optimal audio output requires the correct combination of adequate audio input with appropriate power supply voltage and current. Different loudspeaker impedances affect relative sound power. A loudspeaker with a higher impedance will produce less relative sound power with sufficient voltage and current. Please be aware of these factors to optimize your audio experience.
Power Supply: 12-24V DC
Speaker Compatibility: 20~100W 4Ω