Monster Monster S21

Monster Shock Plus Portable Bluetooth Speaker User Manual

Model: Monster S21

1. Product Overview

The Monster Shock Plus Portable Bluetooth Speaker is designed to deliver powerful audio with versatile connectivity options. This manual provides essential information for safe and effective use of your device.

Monster Shock Plus Portable Bluetooth Speaker, front view

Front view of the Monster Shock Plus Portable Bluetooth Speaker, showcasing its black grille and top control panel.

2. Package Contents

Ensure all items are present in your package:

3. Controls and Ports

Familiarize yourself with the speaker's controls and connection ports.

3.1 Top Panel Controls

Close-up of the speaker's top control panel with power, volume, play/pause, and mode buttons.

The top panel features intuitive buttons for power, volume control, play/pause, and mode selection.

3.2 Rear Panel Ports

Close-up of the speaker's rear panel showing AUX, TF Card, USB, and USB-C ports.

The rear panel provides multiple input options including AUX, TF Card, USB, and USB-C for charging.

4. Setup

4.1 Charging the Speaker

  1. Connect the provided USB-C charging cable to the speaker's USB-C port.
  2. Connect the other end of the cable to a compatible USB power adapter (not included).
  3. The charging indicator light will illuminate. Once fully charged, the light will change or turn off.

A full charge provides up to 15 hours of playtime at 50% volume.

Monster Shock Plus speaker on a nightstand, illustrating its 15-hour playtime.

The speaker offers up to 15 hours of continuous music playback on a single charge.

4.2 Powering On/Off

4.3 Bluetooth Pairing

The speaker features Bluetooth 6.0 for stable and fast connections.

  1. Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue light and an audible 'Discovering' prompt). If not, short press the 'M' button to switch to Bluetooth mode.
  2. On your mobile device, enable Bluetooth and search for available devices.
  3. Select 'Monster Shock Plus' from the list of devices.
  4. Once connected, you will hear an audible 'Device is connected' prompt, and the blue indicator light will become solid.
Diagram showing Bluetooth 6.0 chip inside the speaker with connection benefits.

Advanced Bluetooth 6.0 technology ensures a stable and efficient wireless connection.

4.4 True Wireless Stereo (TWS) Pairing

Pair two Monster Shock Plus speakers for a combined 60W stereo sound experience.

  1. Ensure both speakers are powered on and in Bluetooth mode, but not connected to any device.
  2. On one speaker (this will be the primary speaker), press and hold the 'M' button until you hear a pairing tone.
  3. The two speakers will automatically connect to each other. Once connected, you will hear a confirmation tone.
  4. Now, connect your mobile device to the primary speaker via Bluetooth as described in Section 4.3.
Two Monster Shock Plus speakers paired for True Wireless Stereo, with a person enjoying music.

TWS pairing allows two speakers to create a wider, more immersive stereo soundstage.

5. Operating Instructions

5.1 Playing Audio

5.2 Volume Control

5.3 Hands-Free Calling

When connected via Bluetooth, the built-in microphone allows for hands-free calls.

5.4 Official Product Video

Watch this video for a visual guide on the speaker's features and operation.

Official brand video demonstrating the Monster Shock Plus speaker's key features and functionalities.

6. Maintenance

6.1 Water Resistance (IPX6)

The Monster Shock Plus speaker is IPX6 water-resistant, meaning it is protected against powerful water jets. It is suitable for outdoor use and can withstand splashes, but it should not be submerged in water.

Monster Shock Plus speaker with water splashing on it, highlighting its IPX6 waterproof rating.

The IPX6 rating ensures the speaker is protected from water splashes and jets, making it ideal for outdoor environments.

6.2 Cleaning

To clean the speaker, use a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the surface.

6.3 Battery Care

To prolong battery life, fully charge the speaker before first use. If the speaker will not be used for an extended period, charge it at least once every three months.

7. Troubleshooting

If you encounter issues with your speaker, refer to the following common solutions:

8. Specifications

FeatureSpecification
Model NameMonster Shock Plus
Item Model NumberMonster S21
Speaker Maximum Output Power30 Watts
Bluetooth Version6.0
PlaytimeUp to 15 Hours
Water Resistance LevelIPX6 (Water Resistant)
Connectivity TechnologyAuxiliary, Bluetooth, USB, TF Card
Wireless Communication TechnologyBluetooth
Product Dimensions2.99"D x 10.08"W x 4.02"H
Item Weight1.54 pounds (0.7 Kilograms)
MaterialPlastic
Power SourceBattery Powered (1 12V battery included)

9. Warranty and Support

9.1 Warranty Information

The Monster Shock Plus Portable Bluetooth Speaker comes with a Limited Warranty. Please refer to the included Quick Start Guide & Warning Card for specific warranty terms and conditions.

9.2 Customer Support

For further assistance or technical support, please visit the official Monster website or contact their customer service department. Contact information can typically be found on the product packaging or the brand's official website.

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