MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android User Manual

June 13, 2024
MAJORCOM

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android

Product Information:

The PM-839 is a 2-channel Bluetooth wall amplifier with Android compatibility. It is a compact audio system that can power 2 to 4 speakers. The amplifier uses a high-efficiency class-D amplifier for a maximum output of 2*25 watts and is compatible with
low-impedance speakers. The system features a display that shows relevant track music information. It also includes a wireless infrared remote controller for controlling various functions such as seeking, changing tracks, and adjusting the volume.

Product Features

  • Output Power: 2 x 25W
  • Speaker Impedance: 4/8 ohm
  • Android Version: 7.1
  • Body Memory: 1GB
  • Expandable TF Card Memory: up to 32GB
  • Network: Wi-Fi
  • CPU: Cortex 1.2G (Quad core)
  • Display: 4-inch capacitive touch screen
  • Display Resolution: 480*480 IPS
  • Bluetooth Wireless Range: 10 meters
  • USB: OTG USB
  • Total Harmonic Distortion (THD): 0.03% (1W, 1KHZ)
  • Frequency Response: 20 Hz-20 kHz (+/-2dB)
  • Signal-to-Noise Ratio (SNR): 98dB
  • Supported Music Formats: Mp3, WMA, WAV, AAC, WAW, APE, OGG, etc.
  • Supported Video Formats: MPEG-1-2-3-4, RM/RMVB, WMV, MOV, MK, VOB, AVI, 3GP, H264, etc.
  • Power Requirements: 110-250V AC
  • Dimensions (L x H x P): 86 x 86 x 38 mm
  • Weight: 0.7 kg

Product Usage Instructions

  1. To turn on or shut down the amplifier, press the On/Off button (1) on the remote control.
  2. Press the Audio Source button (2) to switch the audio source.
  3. Use the Play/Pause button (3) to control playback.
  4. The Arrow buttons (4) are used for navigation. Press them to move the cursor up, down, left, and right.
  5. Press the Volume – button (5) to decrease the volume.
  6. The Home button (6) can be used to return to the main interface.
  7. Press the Mute button (7) to mute the sound.

PACKING LIST

  • PM-839 in-wall amplifier X1 (including terminal blocks)
  • Back box X1
  • Screw X2
  • User manual X1
  • Remote control 1

COMMON TROUBLESHOOTING

Malfunction Causes and solutions

Not booting

| 1.  If the panel is tightly closed, open the panel to clean it, and then close the panel.

2.   Whether the surface of the panel is too dirty or there is water on the surface of the panel, clean it up and restart it.

No sound| 1.  Check if the speaker cable is installed correctly.

2.  Check if the remote control is muted.

Small volumn| Check the speaker, the constant pressure speaker is not matched, please use constant resistance 8 ohm speaker.


Button does not work

| 1.  If the panel is tightly closed, open the panel to clean it, and then close the panel.

2.   Whether the surface of the panel is too dirty or there is water on the surface of the panel, clean it up and restart it.

Touch jump| 1.  Turn off it and restart.

2.  Press the reset button to reset.

The remote control doesn‘t work| 1.  Is there enough power in the remote control battery?

2.  Shorten the distance of the remote control and reduce obstacles in front of the remote control window.

Bluetooth connection is not available| 1.  Is the host connected to another device?

2.  Whether the Bluetooth mode is enabled on the mobile phone.



Bluetooth playback has no sound

| 1.  Whether the mobile phone has been selected for Bluetooth push (such as Android mobile phone can play, Apple mobile phone needs to choose Bluetooth device).

2.  Whether the playback device such as mobile phone is set to mute.

3.   Whether the network of the playback device such as mobile phone is stable, can play the downloaded song.

DESCRIPTION

This 2 channel small bluetooth audio system equipped with micro USB/TF can power 2 to 4pieces of speakers. It uses a high- efficiency class-D amplifier for a maximum output of 2*25 watts and low-impedance speakers. The display shows relevant track music info. Plus, you can control everything seek, change tracks and adjust the volume using the included wireless infrared remote controller.

FUNCTION

  • Android 7.1 system, Cortex1.2G quad-core CPU
  • 4-inch multi-touch capacitive screen, 480*480 IPS HD resolution display
  • Remotely control cellphone app, with on-demand pushed content : music playback, storytelling, weather, jokes, words, books, financial news, comic essays, etc.
  • With scene linkage, play music automatically, play music regularly
  • The call function can be realized between multiple hosts, can specify the host and the group to call
  • 2 channel output, can be connected to 2 to 4 speakers
  • With the IoT module, can be used as a smart gateway
  • Support external Bluetooth devices such as mobile phones to achieve audio playback, and can control the music of external Bluetooth devices in two directions. You can set Bluetooth to be turned on or off.
  • With built-in WIFI wireless connection
  • Support the function of triggering doorbell
  • Support external devices to control the machine through 485
  • Support linkage triggering boot
  • Support audio input function
  • Support audio output function
  • Support timer switch, can set time arbitrarily and choose the specified song to play when boot
  • Support TF card and MICRO-USB interface, USB can be connected to the hard disk
  • Support infrared remote control
  • Support TF card firmware upgrade

FEATURES

  • With RJ45 interface for both hard cat 5 cable or WIFI connection
  • Optional Tuya APP for smart control
  • Adopt Bluetooth and WIFI wireless connection technology
  • Standard 86 Mounted on the wall for easy control
  • With wireless remote control
  • Rs485 protocol for integration
  • Download APP like Spotify, Pandora etc. to play music from Internet
  • Support triggering doorbell function
  • Support remote trigger power on/off
  • Support program timer on/off function and programmed song play after power on
  • Support audio input and output function with secure and fast connect phoenix connectors
  • Support TF card and OTG 2.0USB interface, USB can be connected to the hard disk; with WIFI connection
  • Suitable for commercial areas, classrooms, meeting and conference rooms, etc.
Model PM- 839
Output power 2 x 25W
Speaker Impedance 4/8Ω
System Android 7.1
Body memory 1GB
Expand TF card memory 8GB, Scalable to 32G
Network WIFI
CPU Cortex 1.2G (Quad core)
Display 4inch capacitive touch screen
Resolution 480*480 IPS
Bluetooth wireless range ≤10M
USB OTG USB
THD 0.03% (1W.1KHZ)
Frequency response 20 Hz-20 kHz (+/-2dB)
SNR 98dB
Music format Mp3, WMA, WAV, AAC, WAW, APE, OGG, etc.
Video format MPEG-1-2-3-4, RM/RMVB, WMV, MOV, MK, VOB, AVI, 3GP,

H264, etc.
Power Requirements| 110-250V AC
Dimension (L x H x P)| 86 x 86 x 38 mm
Weight| 0.7 kg

REMOTE CONTROL

  1. On / Off : press to turn on or shut down.
  2. Audio source : press this button to switch the audio source.
  3. Play / Pause
  4. Arrow button : Direction, press this button to move the cursor up, down, left, and right.
  5. Volume – : Press this button to decrease the volume.
  6. Home : Press this button to return to the main interface.
  7. Mute
  8. Mouse button : Press this button to change the remote control to the fly mouse operating host.
  9. Volume + : Press this button to increase the volume.
  10. Back button : Press this button in the submenu to return to the previous menu.

CONNECTIONS

  1. 485 interface (optional): 485A + 485B + GND
  2. Trigger on/off
  3. Input / Output
  4. Trigger doorbell : Turn on GND+DB to trigger the doorbell
  5. External audio input : AUX L + AUX R + GND
  6. Audio output : OUT R +OUT L+GND, can be connected to other amplifiers
  7. Speaker : SPK L+ SPK L-
  8. Speaker : SPK R+ SPK R-
  9. Power supply terminal : Connect AC110-250V power supply
  10. RJ45 interface for both hard cat 5 cable or WIFI connection
  11. Micro USB port
  12. TF card port
  13.  Power switch : Long press 2 seconds to boot or shut down, short press to lock or unlock screen

MAIN INTERFACE FUNCTIONS

MAIN INTERFACE

After the host boots, it will directly enter in the main interface as shown picture below. :

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android-
FIG3

Press « Online Music », « Audio Content » icon for 3 seconds, you can replace the application.

LOCAL MUSIC PLAYER

SETTING INTERFACE

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android-
FIG5

APPLICATION MANAGEMENT

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android-
FIG6

SYSTEM SETTING INTERFACE

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android-
FIG7

  • Internet management : set WIFI
  • Display management : set auto lock screen time
  • Time management : set time mode, 12h or 24h
  • Timing play : scheduled playback
  • Device management : check the version of host, information and update

INSTALLATION

  1. Put the provided standard 86 back box in the pre-buried areaµ. Depth of the back box is 57mm.
  2. Tighten the bracket with the bracket screw on the 86 cassette.
  3. Tighten the wire inside the 86 cassette to the wiring of the corresponding function of the main unit, then insert the terminal into the terminal post.
  4. Load the main unit into the hardware bracket, and then push down.

CONNECTION

CONNECT WITH 1 PIECE OF 8 OHM SPEAKER IN ONE CHANNEL TOTALLY 2 PIECES FOR PM-839

CONNECT WITH 2 PIECES OF 8 OHM SPEAKERS IN ONE CHANNEL SERIES CONNECTION TOTALLY 4 PIECES FOR PM-839

MAJORCOM PM-839 Channel Bluetooth Wall Amplifier With Android-
FIG10

56, chemin de la Flambère • 31300 Toulouse • FR ANCE •

PM-839
2 CHANNEL BLUETOOTH
WALL AMPLIFIER WITH ANDROID
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