Facmogu 299 4.1CH Bluetooth Power Amplifier with ACTIVE Subwoofer Output

From the Brand Great Sound but Low Cost:

An Inexpensive Amplifier, Perfect for Outside or Inside

You'll be very pleased with the sound and ease of use! We started our business with one simple premise: our success is not only due to the quality of our work, but also to our attitude, approach, and the way we treat our clients. We believe that good service is almost as important as the product itself!

Product Description: RMS 40W*4 + Active Subwoofer 4.1 Channel

This amplifier can drive 2 pairs of high capacity speakers and an active subwoofer. It also features an A/B switching mode that allows you to run all the speakers together.

Parameters: - Type: 4.1 Channel Power Amplifier - Input: Bluetooth / 3.5mm AUX / Headphone Jack / USB port / SD & TF Card - Impedance: 4-8 ohm - Power Output: 4 x 40W (RMS), 800W Peak Power - Work Voltage: AC 110-240V - Power Adapter: DC 12V 5A - SNR: 80db - Size: 17.6 x 14.7 x 4.3cm (6.9 x 5.8 x 1.7 inches) - Weight: 515g (1.14 Pounds)

Notes: - The subwoofer volume can only be controlled with the remote if your active subwoofer does not have a separate volume control. - The remote only controls parts of all functions, not for full control. - Bluetooth range should be kept within 16.4ft/5m between the device and amplifier without any wall blocking. If connecting to TV or PC, keep it within 6.5ft/2m. - If you power off the amp with the remote, it will play MP3 from where you stopped, but if you power it off by unplugging, it will start from the beginning. - You can connect the amplifier to your TV through an audio cable, and make sure the input selector is adjusted to the line mode.

Q&A: 1. If the Bluetooth is not working or is unstable, try the following: - Make sure there are no obstacles (especially metals) blocking the signal. - Turn off the power amplifier, disconnect and clear the connection of the Bluetooth transmitting device, then try to reconnect. - Keep the LED indicator side of the amplifier facing your phone, and keep the distance within 30ft (10m). For TV or PC, keep it within 15ft (5m).

1. Can you connect two devices with Bluetooth? No, it will cause the audio stream to be disrupted. It can only be disconnected and then connected to other devices.

2. Can the Bluetooth and wired connection be used simultaneously? No, the Bluetooth function and the wired function cannot work at the same time. Disconnect the wired connection when using Bluetooth.

3. What wattage or size of speakers are recommended? The rated power for this amplifier is 40Wx4 + an active subwoofer. Connect speakers with rated power below 40W to avoid overdriving and damaging the amplifier or speakers.

4. If there is noise or electric current, try the following:

5. Replace the audio input wire and input device.
6. Ensure the speakers' power matches the amplifier's.
7. Make sure all the cable connections are complete.
8. Keep the output positive and negative audio lines spaced apart.

Add powerful home theater quality sound performance to your desktop with this compact amplifier. Enjoy clear, accurate sound with Subwoofer volume and frequency control. Built-in power protection circuit ensures safe use. With bass and treble control knobs, you can customize the music output to your liking. The bright digital LED display makes it easy to see the settings you change.

Connectivity options include Bluetooth 5.0 wireless audio streaming, 3.5mm AUX Cable, Headphone Jack, USB Port, or SD/TF Card port to connect and stream audio from external devices.

product information: