• WANTED: Happy members who like to discuss audio and other topics related to our interest. Desire to learn and share knowledge of science required. There are many reviews of audio hardware and expert members to help answer your questions. Click here to have your audio equipment measured for free!

m1ngr

New Member
Joined
Feb 26, 2023
Messages
1
Likes
0
Some internals. Cheap chinese design and low end parts.
Bluetooth IC is probably JL AC6903B - just SBC codec,
SGMicro SGM3710 as audio switch (BT/RCA)
Couple of STM TL072C opamps
Pair of DC/DC MC34063 regulators
older Eximo Merus (Infineon) MA12070 amplifier
 

Attachments

  • IMG_20230217_173359.jpg
    IMG_20230217_173359.jpg
    220.1 KB · Views: 84
  • IMG_20230217_173418.jpg
    IMG_20230217_173418.jpg
    206.7 KB · Views: 95
  • IMG_20230217_173424.jpg
    IMG_20230217_173424.jpg
    255.2 KB · Views: 70
  • IMG_20230217_173438.jpg
    IMG_20230217_173438.jpg
    227.7 KB · Views: 71
  • IMG_20230217_173514.jpg
    IMG_20230217_173514.jpg
    250.2 KB · Views: 74
  • IMG_20230217_173638.jpg
    IMG_20230217_173638.jpg
    253.2 KB · Views: 70
  • IMG_20230217_173752.jpg
    IMG_20230217_173752.jpg
    220 KB · Views: 70
  • IMG_20230217_173940.jpg
    IMG_20230217_173940.jpg
    217.3 KB · Views: 72
  • IMG_20230217_174002.jpg
    IMG_20230217_174002.jpg
    211.8 KB · Views: 64
  • IMG_20230217_174017.jpg
    IMG_20230217_174017.jpg
    194.2 KB · Views: 70
  • IMG_20230217_174106.jpg
    IMG_20230217_174106.jpg
    337.2 KB · Views: 84
Top Bottom