Bluetooth Speaker

The Bluetooth speaker is based on a ready audio module XH-A150 and Full Range speakers AIYIMA 53 mm, 4 Ohm, 15 W.
The XH-A150 audio module has a wide range of functions: receiving an audio signal with Bluetooth support, decoding of USB-Flash and MicroSD TF cards. The module has a built-in 2*5W stereo amplifier.
The PCB has a battery holder in which you have to insert the TR18650 battery (please pay attention to the positive and negative poles!). The PCB supports charging via a micro-USB connector.
There are 4 universal control buttons on the PCB, which are displayed on the front panel of the Bluetooth speaker for your convenience (short press / long press):
- Mode – Switch USB-disk / TF Card (to turn on Bluetooth, you need to eject USB-disk and TF Card)
- Play – Pause, Playback
- Next/V + – Next track / volume up
- Prev/V - – Previous track / volume down

FOR ASSEMBLY YOU NEED NEXT TOOLS AND MATERIALS:

• Screwdriver.
• Hex keys.
• Nut Driver with handle for nut size M3 for installing speakers inside the body. You can also use the printed Nut driver model inserted into 4mm hex key.
• Soldering iron (to solder one speaker connector to the opposite side of the PCB, to solder the wires to the speakers (red - plus, black - minus) and to melt the Brass Embedment Nuts Hot Melt M3 into the body to secure the back panel.
• Super Glue for gluing the front panel. Maximum print sizes: 190 x 72.1 x 101.4 mm

COMPONENTS/COMPONENTS LINKS:

• Audio module XH-A150: https://www.aliexpress.com/item/1005004933381964.html?spm=a2g0o.productlist.main.11.c05220c6sYdce5&algo_pvid=c332a564-f9e4-45d2-9019-6c9fb8159e9b&algo_exp_id=c332a564-f9e4-45d2-9019-6c9fb8159e9b-5&pdp_ext_f=%7B%22sku_id%22%3A%2212000031068393724%22%7D&pdp_npi=3%40dis%21USD%213.29%213.03%21%21%21%21%21%402100b20d16773424323065827d070f%2112000031068393724%21sea%21UA%21827272646&curPageLogUid=jLgXKHC4hv2F
• Speakers Full Range AIYIMA 53mm 4 Ohm 15 W: https://www.aliexpress.com/item/4000034945525.html?spm=a2g0o.productlist.main.23.873511b05hIxBQ&algo_pvid=13dc86a0-4f0c-4ef2-a6f1-e13345e1e947&algo_exp_id=13dc86a0-4f0c-4ef2-a6f1-e13345e1e947-11&pdp_ext_f=%7B%22sku_id%22%3A%2212000022708667252%22%7D&pdp_npi=3%40dis%21USD%2116.6%2111.62%21%21%21%21%21%40214527fd16773361637817535d070b%2112000022708667252%21sea%21UA%21827272646&curPageLogUid=83NDlR4V5nQ6
• 18650 Batterie – 1pcs
• Hex Socket Head Cap Screws, Black Oxide M3 x 12mm – 12pcs
• Flat Head Machine screws, Steel Black Oxide M3 x 8mm – 4pcs
• Hex Nuts M3 – 12pcs
• Washers M3 – 12pcs
• Brass Embedment Nuts Hot Melt M3x4,2x6 – 4pcs.
• Self-adhesive silicone legs D=8mm – 4pcs
• Holofiber - filler for damping the speaker body.

• Layer - 0.2
• Filling - more than 20%
• Supports – yes