The SOUNDMAX SM-PS5027B is a portable audio system designed for wireless and wired audio playback, featuring a built-in FM radio and TWS (True Wireless Stereo) functionality. This instruction manual provides comprehensive details on its operation, technical specifications, and maintenance.
Function Description:
The SM-PS5027B serves as a versatile portable audio system, offering multiple playback options. Its primary function is wireless audio streaming via Bluetooth A2DP, allowing users to connect and play audio from smartphones, tablets, and other Bluetooth-enabled devices. The unit also supports local media playback through its USB port and MicroSD (TF) card slot, capable of reading and playing MP3 files from storage devices up to 32 GB. An integrated FM radio provides access to local radio stations, with an automatic scanning and saving feature. For wired connections, the device includes an AUX input, enabling playback from external audio sources using a micro USB-3.5mm mini jack audio cable. A notable feature is the TWS function, which allows two SM-PS5027B units to be paired together for a true wireless stereo sound experience. The device also incorporates a decorative backlight, which can be switched on or off.
Important Technical Specifications:
- Peak music power output: 8 W
- Nominal power consumption: 5 W
- FM radio frequency range: 87.5 - 108 MHz
- Built-in rechargeable Li-ion battery: 3.7 V, 800 mAh
- Playtime: Up to 5 hours (approximate, depending on usage conditions)
- Net weight: 0.4 kg
- Unit dimensions (H x W x D): 175 x 110 x 95 mm
- Charging port: DC 5V / AUX input
- USB port: For USB drives up to 32 GB
- MicroSD (TF) card slot: For TF cards up to 32 GB
- Supported file systems: FAT and FAT32
- Power adapter (not included) specifications:
- Voltage input: AC 220V/50-60Hz
- Voltage output: 5V = ≥1.0A
- Bluetooth wireless range: Approximately within 10 meters in direct line of sight.
Usage Features:
The SM-PS5027B is designed for user-friendly operation with clearly labeled controls on its front and top panels.
Front Panel Controls:
- ►II (PLAY/PAUSE) button: For playing and pausing audio.
- ◄ (PREVIOUS) / - button: To go to the previous track or decrease volume (when pressed and held).
- ►► (NEXT) / + button: To go to the next track or increase volume (when pressed and held).
- M (MODE) button: To switch between Bluetooth, USB/TF, FM radio, and AUX modes.
Top Panel Controls:
- DC 5V / AUX input (5): Charging port and auxiliary input.
- USB port (6): For connecting USB drives.
- MicroSD (TF) card slot (7): For inserting TF cards.
- OFF/ON switch (8): To power the unit on or off.
Bluetooth Wireless Playback:
- Ensure Bluetooth is enabled on your device (e.g., smartphone).
- Switch on the unit and repeatedly press the M button to select Bluetooth mode (default).
- The Bluetooth pairing indicator will flash. The unit will appear as "SM-PS5027B" in your device's Bluetooth list.
- If prompted for a passcode, enter "0000".
- Once paired, the LED indicator will stop flashing and remain on.
- Use the ►II button to pause/resume playback.
- Use ◄ and ►► buttons for previous/next track. Press and hold these buttons to adjust volume.
External Device Connection (AUX Mode):
- Connect an external audio device to the unit's AUX input using a micro USB-3.5mm mini jack audio cable.
- Press the M button to select AUX mode.
- Turn on the external device and start playback.
USB/TF Operation:
- Turn on the device.
- Insert a MicroSD (TF) card into its slot or a USB drive into the USB port.
- Press the M button repeatedly to select USB/TF mode.
- Use the ►II button to play/pause.
- Press and hold ◄ and ►► buttons to adjust volume. Press them once for previous/next track.
- Important: Always stop playback and switch to another mode using the M button before removing TF cards or USB drives to prevent data damage.
FM Radio:
- Turn on the device.
- Press the M button repeatedly to select FM mode.
- Press ►II to automatically scan and save available radio stations. This process may take several minutes and should not be interrupted.
- After scanning, use ◄ and ►► buttons to navigate between stations. Press and hold these buttons to adjust volume.
TWS Function (True Wireless Stereo):
- Ensure you have two SM-PS5027B units.
- Turn both units on and switch them to Bluetooth mode.
- Press and hold the M button on one of the units. A beep will sound.
- Continue holding M for 5-10 seconds until a second beep sounds, indicating successful pairing.
Backlight:
- To switch the decorative backlight on or off, press and hold the ►II button.
Power Supply:
- The unit operates on an internal rechargeable Li-ion battery and can be charged via a 220V mains adapter (not included) using the provided USB charging cable.
- Insert the charging cable into the DC 5V socket. The red LED indicator will be on during charging.
- For optimal performance, fully charge the battery before each use. Allow several hours for a drained battery to recharge.
- Use the OFF/ON switch to power the unit on or off.
Important Safeguards:
- Do not hit or drop the unit.
- Avoid exposing the unit to vibration, direct sunlight, extreme temperatures, or humidity.
- Do not disassemble the unit; refer servicing to qualified personnel.
- All illustrations in the manual are schematic and may differ from actual objects.
Troubleshooting:
- Device not turning on: Battery may be discharged. Recharge the battery.
- No sound via Bluetooth: Audio system and external device not paired. Check connection and external device instructions.
- No sound via wired connection: Audio cable not connected or incorrectly connected. Check the audio cable.
- No sound: Volume control set to minimum. Adjust volume.
Storage and Transportation:
- The packaged product can be transported by all types of transport under conditions of 5 GOST 15150, at temperatures not lower than -10 °C, protected from atmospheric precipitation and mechanical damage.
- Store packaged products under conditions of 1 GOST 15150, free from acidic, alkaline, and other aggressive impurities in the air.
- Packaged products should be stacked in piles, containers, or racks during transport and storage. The number of rows in stacks depends on the dimensions and weight of the packaged products and is specified in the technical specifications for the specific model.
- The device has no restrictions for use in residential, commercial, or industrial premises.
Safe Disposal:
- The device is made of high-quality materials and components that can be recycled.
- The crossed-out wheeled bin symbol indicates compliance with European Directive 2002/96/EC.
- Familiarize yourself with local separate collection systems for electrical and electronic goods.
- Dispose of old devices separately from household waste to prevent negative environmental and human health consequences.
Maintenance Features:
- Cleaning: Switch off the unit and unplug it from the power supply before cleaning. The exterior of the appliance can be cleaned with a slightly damp cloth.
- Battery Life: The built-in battery life is approximate and depends on factors such as the number of recharge cycles, environmental conditions, use of lighting effects, sound volume, playback source, and content type.
- Firmware/Specifications: Technical specifications and functions are subject to change without notice due to continuous product improvement.
Accessories Included:
- Audio system (1 pc)
- 2-in-1 USB/AUX cable (microUSB) (1 pc)
- Instruction manual (1 pc)
The SM-PS5027B is manufactured and distributed by TECHNO ELECTRIC LIMITED. Its legal address is 801 Luk Yu Building, 24-26 Stanley Street, Central, China. The product is certified with Certificate of Conformity No. ЕАЭС RU C-CN.ΠΦ02.В.04617/21, Series RU No. 0326529, valid from 24.06.2021 to 23.06.2026, issued by OOO "PROFIT".
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