5.0 Bluetooth version has high fidelity and two-channel stereo sound quality, with higher efficiency and farther transmission distance.
Capacitor 470uf 35V solid capacitors ensure power storage and heat dissipation, and stable power supply is a prerequisite for good sound quality.
The copper DC connector is used to withstand high current and no heat.
Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired.
It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and counterclockwise to decrease.
Great for DIY speakers.
Specification:
Model: ZK-502L
Bluetooth version: 5.0
Material: Fiber glass board and electronic component
Size: app.55 x 38 x 17mm/2.17x 1.50 x 0.67in
Adaptation supply voltage: 5-24V(optional 9/12/15/18/24V adapter, high power recommended high voltage)
Adapter speaker: 30-200W, 4Ω，8Ω
Number of channels: Left and right stereo(stereo)
Bluetooth transmission distance: 15m(without occlusion)
Protection mechanism: Self-recovery overheat protection, self-recovery short circuit protection
Color: As picture shown
Quantity: 1 Pc
Tip:
To have enough out put power if the audio input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound powre. Please pay attention!
15V--8 ohms/18 + 18W, 4 ohms/greater than 30 + 30W
19V--8 ohms/32 + 32W, 4 ohms/greater than 45 + 45W
24V--8 ohms/38 + 38W, 4 ohms/greater than 50 + 50W
Precautions for use:
The power switch on the board is the standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug the DC plug on the machine for a long time.
Package includes:
1 x Bluetooth Amplifier Board
1 x Shell
1 x DC Head Line
Note:
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
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Reason is because transit time is highly depended and provided by postal
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you are not satisfied with the item, please return it
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On 28-Nov-2023 at 01:23:18 EST, seller added the following information:
