Introduction
The Hisonic HS122BT-LL is a compact and lightweight portable PA system designed for sound amplification in various settings. It features a powerful 40-watt speaker, a dual-channel VHF wireless microphone system, and Bluetooth connectivity. This system is powered by a 12V/2,200mAh Li-ion rechargeable battery, offering up to 12 hours of continuous use when fully charged. It is suitable for both indoor and outdoor events and includes essential accessories for immediate use.
Product Overview
The Hisonic HS122BT-LL PA system integrates a speaker and wireless microphone capabilities into a single unit. It is designed for portability and ease of use, making it an ideal tool for presentations, performances, and public speaking.
Key Features:
- Compact and Lightweight Design: Easy to transport and set up.
- Built-in Rechargeable Lithium-ion Battery: Provides extended operation time, up to 12 hours on a full charge.
- Dual Channel VHF Wireless Microphone System: Includes two body pack transmitters with headset and lapel microphones.
- Bluetooth Connectivity: Allows wireless audio streaming from compatible devices like smartphones, tablets, and laptops.
- Auxiliary Input: For wired connection of external audio devices (e.g., MP3 players).
- Multiple Microphone Inputs: Two additional microphone input ports for wired microphones.
- Car Cable Included: Enables operation or charging via a car battery.
- Carrying Bag: For convenient storage and transport.

Figure 1: Front view of the Hisonic HS122BT-LL Portable PA System, showing the speaker grille and top handle.

Figure 2: Side view of the PA system, highlighting the input/output ports including 6.5mm mic input, Aux In (MP3), Aux Out, and DC 12V-2A power input.

Figure 3: Top view of the PA system, displaying control knobs for Wired Mic I, Wired Mic II, Wireless Mic, Tone, Echo, and Aux In Volume.

Figure 4: Included headset and lapel microphones, designed for hands-free operation with the body pack transmitters.

Figure 5: The included carrying bag for the Hisonic HS122BT-LL PA system, providing convenient portability and protection.
Setup Instructions
1. Battery Installation and Connection (PA System)
- Locate the battery compartment on the back of the PA system.
- Open the compartment cover.
- Connect the internal rechargeable battery by plugging its connector into the designated port. Ensure correct polarity.
- Close the battery compartment cover.

Figure 6: Back view of the PA system, showing the battery compartment and power input for AC 120V.
2. Wireless Microphone Setup and Pairing
The system includes a body pack transmitter and a handheld microphone. Both require battery installation and pairing.
For Body Pack Transmitter:
- Open the battery compartment of the body pack transmitter.
- Insert the required batteries, observing correct polarity.
- Connect the headset or lapel microphone to the body pack.
- Turn on the body pack by pressing and holding the power button for approximately one second.
- To enter pairing mode, press and hold both the power button and the pair button simultaneously until the indicator light blinks or flashes.
For Handheld Microphone:
- Unscrew the bottom part of the handheld microphone to access the battery compartment.
- Insert the required batteries, observing correct polarity.
- Turn on the handheld microphone by pressing and holding the power button until the indicator light illuminates.
- To enter pairing mode, press and hold the pairing button until the indicator light blinks or flashes.
Pairing with PA System:
- Ensure the PA system is turned on. The RF light on the PA system will be blinking.
- While the microphone (body pack or handheld) is in pairing mode (blinking light), press the 'Pair' button on the PA system to confirm the pairing.
- Once successfully paired, the RF light on the PA system will show a solid red or green light.
- If switching between different transmitters, repeat the pairing process for each one.
Video 1: This video demonstrates the process of installing batteries and pairing the wireless microphones (body pack and handheld) with the Hisonic PA system. It shows how to put the microphones into pairing mode and confirm the connection with the PA unit.
Operating Instructions
1. Powering On/Off
Locate the power switch on the side of the PA system. Flip the switch to the 'ON' position to power on the unit. The 'Power' indicator light will illuminate. To power off, flip the switch to 'OFF'.

Figure 7: Side view of the PA system, showing the ON/OFF/CHARGE switch and a warning label regarding battery usage.
2. Adjusting Volume and Effects
Use the control knobs on the top panel to adjust audio settings:
- Wired Mic I / Wired Mic II: Adjusts the volume for wired microphones connected to the 6.5mm input ports.
- Wireless Mic: Adjusts the volume for the paired wireless microphones.
- Tone: Controls the tonal characteristics of the audio output.
- Echo: Adds an echo effect to the microphone audio.
- Aux In Volume: Adjusts the volume for devices connected to the Auxiliary Input.
3. Bluetooth Connection
- Ensure the PA system is powered on.
- Activate Bluetooth on your mobile phone, tablet, or other compatible device.
- Search for available Bluetooth devices and select "Hisonic HS122BT-LL" (or similar name) from the list.
- Once connected, you can stream audio wirelessly from your device to the PA system.
4. Auxiliary Input/Output
- Aux In (MP3): Connect an external audio device (e.g., MP3 player) using a 3.5mm audio cable (not included) to this port. Adjust volume using the 'Aux In Volume' knob.
- Aux Out: Use this port to connect the PA system to another audio device or recording equipment.
Maintenance
1. Charging the Battery
The internal Li-ion battery can be charged using the included AC power cord or the 12V DC car power cord. Connect the appropriate power cord to the PA system's power input. The 'Charge' indicator light will show the charging status. Ensure the unit is fully charged before extended use for optimal battery life.
2. General Care
- Keep the PA system and accessories clean by wiping with a soft, dry cloth.
- Avoid exposing the unit to extreme temperatures, moisture, or direct sunlight.
- Store the system in its carrying bag when not in use to protect it from dust and damage.
- If the unit is not used for an extended period, it is recommended to charge the battery every 2-3 months to maintain its health.
Troubleshooting
No Sound Output:
- Ensure the PA system is powered on and the volume knobs are turned up.
- Check battery levels for both the PA system and microphones.
- Verify that wireless microphones are correctly paired (solid RF light).
- For Bluetooth, ensure the device is connected and playing audio.
- For wired connections, check cable integrity and proper insertion.
Microphone Not Pairing:
- Ensure batteries are correctly installed and charged in the microphone.
- Follow the pairing instructions carefully, ensuring both the microphone and PA system are in pairing mode simultaneously.
- If multiple units are used in close proximity, ensure they are on different frequency sets (if applicable and available).
Poor Sound Quality/Feedback:
- Adjust the 'Tone' and 'Echo' controls on the PA system.
- Reduce microphone volume if feedback occurs.
- Ensure microphones are not too close to the speaker.
Specifications
| Feature | Specification |
|---|---|
| Model | HS122BT-LL |
| Output Wattage | 40 Watts |
| Power Source | Battery Powered (12V/2,200mAh Li-ion rechargeable battery) |
| Input Power | AC 110V/60Hz, DC 12V/2A |
| VHF Wireless Microphone Frequency | 174.00 MHz - 216 MHz |
| VHF Wireless Microphone Transmission Range | Up to 100 feet |
| Bluetooth Communication Range | Up to 30 feet |
| Dimensions (L x W x H) | 11.81 x 4.33 x 7.09 inches |
| Item Weight (speaker) | 4 lbs (speaker), 5 lbs (total item weight) |
| Material | ABS plastic |
| Number of Channels | 2 (for wireless microphones) |
| Audio Input | Auxiliary (3.5mm), 2x 6.5mm Mic Inputs |
| Connectivity Technology | Bluetooth |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation included with your purchase or contact Hisonic customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.