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Color : black
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About this item
Sourced from NovaTech Store
Seller assumes all responsibility for this listing.Item number: 40188331
Item specifics
Waterproof
No, Yes
Support Display
No, Yes
Item description from the seller
A:27MM resonance speaker
Size: diameter 27 mm, thickness 12.5mm
Impedance: 4 ohms
Power: 3W
Weight: About 12 grams each
Note: The speaker needs to be driven by the power amplifier. It can be tightly tested with double-sided adhesive. It is recommended to fix it with universal adhesive for long-term fixed use!The horn resonates with a flat object and makes a sound. Different resonance media have different effects, and practice is the main one.;
B: 5W Bluetooth power amplifier audio receiver module
5W Bluetooth power amplifier audio receiver module
MICRO power supply: Typ-C
Built-in power amplifier: 5W+5W
Bluetooth version: 5.0
Transmission distance: 20 meters
Support Bluetooth protocol: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV12, AVDTPV1.2
Format support: Support WAV/WMA/FL/AC/APE/MP3 lossless decoding, stereo two-channel output.
Working voltage: 5V
Sensitivity: -87dbm
1.Power supply: You can directly use THE MICRO USB Android cable 5V for POWER supply, or YOU can connect to a 5V power supply or A 3.7V LITHIUM battery.Note that the power supply interface of 5V and 3.7V is different. 5V is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.on.
The maximum operating current is 5V2A. It is recommended to use a 5V2A regulated power supply for better sound quality.
2.Support USB sound card, driver-free (plug and play).Connect the module to the computer with a USB data cable, and the computer can play music through the power amplifier output of the module.
3.Audio output: Outputs stereo audio signals from the left and right channels, which can be connected to two 2-8 ohm and 3-5W speakers, respectively, and 4 ohm and 5W speakers for push storage.
4.This product already comes with dual5Wpower amplifier circuits, so you must not connect to another power amplifier for use! The outputs of the two power amps cannot be connected in parallel or the negative electrodes can be connected together, otherwise the power amplifier chip will be damaged.
Packing List :
2Pcs Speakers + 3W Mini amplifier
