Product description: Chipset: MA12070 Maximum output power: 80W*2 (4Ω load) Speaker impedance: 4-8Ω (left and right channels) Signal to noise ratio: ≥100db Distortion: <0.1 (when outputting 1W) Input sensitivity: 1.4V Frequency response: 20-20Khz (±3db) Input mode: RCA Support equipment: mobile phones, tablets, computers, MP3, TV, etc. Output mode: passive speaker, active speaker/power amplifier/subwoofer Power supply: DC15-24V Size: 300*230*65mm
Tips: 1. Connect the audio source to be used to the corresponding input interface (can be connected to CD player, DAC decoder, mobile phone, TV, etc.). 2. Connect the passive speakers to be used to the speaker interface (red to black + black to-/ R to right speaker and L to left speaker). 3. Finally, connect the power supply (DC voltage must not be higher than 24V). 4. Turn on and turn the switch knob to select the desired volume. 5. After use, turn the switch knob to the left to shut down.
Common Problem: Q: I have connected all the cables, but there is no sound output? Answer: 1. Check whether the power indicator light is on, if it is off, turn the power-on knob to turn it on. If the indicator light is still off after power on, you can Find a power supply with the same voltage output and test again. 2. If the indicator light is on, check whether the volume knob is in the minimum state, if it is in the minimum state, it is normal. 3. If the above two points are normal, check whether the playback device of the input audio source is paused, muted or the volume is at the minimum state. Q: Why is the sound distorted? Answer: The output amplitude of the audio source may be too large. If the volume of the unit is adjusted to the maximum and the input source is also adjusted to the maximum, it will be easily distorted. At this time, you only need to lower the volume of the input source or the unit. . Q: Why does the volume of the machine remain the same, but the sound volume is different when connected to different audio sources (such as first connecting a CD and then changing to a mobile phone)? Answer: Different playback devices have different output electrical signal amplitudes. For example, mobile phones are usually 0.35V, while CDs are 1V. The natural sound size is different. Q: Why is there a loud current sound from the speaker? Answer: If you are not using the standard power supply of the original factory, please replace the power supply before testing. Many power supplies on the market have large wave interference coefficients, which will cause large current noise. Q: Why does the speaker have a loud buzzing sound after I plug in the input cable and do not connect the playback source? Answer: When the unshielded signal line is used, there will be interference signals entering the amplifier for amplification. If you hate this sound, it is recommended to replace the shielded signal line or unplug the signal line. Maybe you also want DC24V Switch Supply Power or DC12V Supply Power.
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Here is an estimate of the shipping times. Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times.
Estimated Shipping Time
10-30 business days
15-40 business days
Australia, New Zealand
15-45 business days
Mexico, Central America, South America
20-60 business days
Middle East (UAE, Saudi Arabia)
20-40 business days
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