Monster S320 Bluetooth Speaker
Model No.: MS12109
Product Overview
- Speaker Unit
- USB Charging Cable
- AUX IN Cable
- Quick Start Guide & Warranty Letter
The Monster S320 speaker features several control buttons and indicators:
- Power On/Off Button/Function Indicator
- Volume "-" Button: volume down/track backward
- Volume "+" Button: volume up/ track forward
- Multi Function Button (MFB): pairing/call answer/end/reject /music play/pause
- Stereo Connection Button/Indicator
- AUX IN input port
- USB Charging port / charging indicator
Power/Charging
For optimal performance, fully charge the speaker before first use. The included USB cable is for charging only and cannot be used for data transfer. Connect it to a computer or a standard USB-compatible charging device. A 5V/2A or higher power adapter (not included) is recommended for charging.
Note: Only use computer USB output or a standard 5V power adapter for charging. Using non-standard 5V USB power adapters may cause damage. Do not charge if the connector or device is wet or damaged.
Power On/Off
To power on, press and hold the Power On/Off Button for approximately 2 seconds. You will hear a "power on" tone. To power off, press and hold the Power On/Off Button for approximately 2 seconds. You will hear a "power off" tone.
Bluetooth Pairing
- When powered on for the first time, the speaker automatically enters pairing mode.
- If a Bluetooth device is already connected, press and hold the MFB for about 2 seconds to disconnect and prepare for pairing with another device.
- If no Bluetooth device is connected, the speaker will automatically enter pairing mode.
To pair, enable Bluetooth on your mobile phone, search for "Monster" devices, and connect. Upon successful connection, you will hear a "connected" tone, and the blue LED indicator will change from fast flashing to a steady on.
Volume Control
Short press the Volume "+" or "-" buttons to increase or decrease the volume.
Music Playback
- Play/Pause: Short press the MFB to play or pause music.
- Next Song: Press and hold the "+" button for 2 seconds.
- Previous Song: Press and hold the "-" button for 2 seconds.
Call Management
- Answer Call: Short press the MFB.
- Reject Call: Press and hold the MFB for about 2 seconds.
- End Call: Short press the MFB.
Voice Control
When the speaker is connected to your phone, double-press the multi-function button to activate or deactivate the voice assistant.
Power Saving Setting
If the speaker is turned on but not connected to any Bluetooth device, it will automatically turn off after 15 minutes.
Reset Paired Device List
With the speaker turned off, press and hold the power button for 10 seconds to reset the speaker to factory default settings.
Connect Two Speakers in Stereo Mode (Same Model Only)
- Turn on both speakers and ensure no Bluetooth device (e.g., mobile phone) is connected.
- On one of the speakers, double-press the "<0xF0><0x9F><0x97><0x92>" button. You will hear a prompt tone, and the speakers will automatically connect to each other.
- Once successfully connected, the white LED indicator on each speaker will light up simultaneously.
- Enable Bluetooth on your mobile phone, search for the "Monster" device for pairing and connection. Upon successful connection, you will hear a prompt tone, and the blue LED indicator will change from fast flashing to steady on.
LED Indicator Guide
| Status | Description | Tone |
|---|---|---|
| Power On | Function indicator: Blue LED stays on for about 1 second | Power On Tone |
| Power Off | Function indicator: LED off | "Goodbye" |
| Pairing | Function indicator: Blue LED indicator flashes quickly | "Discovering” |
| Bluetooth connected | Function indicator: Blue LED indicator light is on | "Your device is connected" |
| Stereo connection succeeded | Stereo connection indicator lights up | - |
| Battery low | - | "Battery low" |
| Charging | Charging indicator: Red LED lights when charging, turns off after fully charged | - |
Caution
- Fully charge before use.
- Self-replacement of battery is prohibited.
- Do not expose the battery (battery pack or battery pack combination) to direct sunlight, fire, or high temperatures.
FCC Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
FCC ID: 2AVD2-MS12109
