DOSS Extreme Boom Pro

Packing Content

• 1 x Extreme Boom Pro speaker
• 1 x USB-C charging cable
• 1 x Strap
• 1 x User Manual

Specifications

Output Power: 40W*2+10W*2

DC Power Input: 5V ⎓ 3A

USB Output: 5V ⎓ 2A

Battery Capacity: 10400mAh

Charge Time: 4.5 hours

Playtime: 20 hours (at 50% volume)

Bluetooth Range: up to 30m / 99ft

Net Weight: 7.2lbs / 3.24kg

Unit Dimension: 14.25*6.37*8.07 inches (approx. 36.20*16.18*20.50 CM)

TF Card Audio Format: MP3/WAV/FLAC/APE (Max capacity 256G)

Important Notes Before Using

• Fully charge the speaker before first use to prolong battery life.
• The battery is low when the 25% LED indicator blinks.
• The speaker auto-powers off after 15 minutes without audio input. To cancel this, press the M and N buttons simultaneously for 3 seconds.
• The USB output port is for charging your device only.
• To restore factory settings, press and hold the M and N buttons simultaneously for 3 seconds.
• Press any button to check battery level when not charging.
• If buttons are unresponsive, reset the speaker using a paper clip on the reset button located on the back.
• For assistance, contact support@dossav.com.

Buttons and Controls

The speaker features several buttons for control:

LED Indications

• Flashing Blue: Bluetooth Pairing ?
• Solid Blue: Bluetooth Paired
• Solid Red: AUX Mode ?
• Solid Green: TF Card Mode ?️
• Red blinks once: Extra Bass On ?
• Green blinks once: Extra Bass Off
• Flashing White: Enter TWS Pairing ?
• Solid White: Enter PartySync Pairing
• 4 White LEDs: Battery Level 100% ?
• 3 White LEDs: Battery Level 75% ?
• 2 White LEDs: Battery Level 50% ?
• 1 White LED: Battery Level 25% ?

Connections

The speaker features the following ports:

• RESET: For resetting the device.
• DC IN (5V ⎓ 3A): For charging the speaker via USB-C.
• AUX: For connecting audio sources via a 3.5mm cable (not supplied).
• TF-CARD: For inserting a TF card (not supplied) with audio files.

Connection Diagram Description: The diagram illustrates connecting a USB-C cable to the DC IN port for charging. It also shows connecting an AUX cable to the AUX port and inserting a TF card into the TF-CARD slot. Wireless connection via Bluetooth to a smartphone or laptop is also depicted.

Bluetooth Mode

1. Enable the Bluetooth feature on your device (smartphone, tablet, computer).
2. Search for "Extreme Boom Pro" in your device's Bluetooth list and select it to connect.
3. Once paired, your device will show "connected".
4. If your device cannot find the speaker within 10 seconds, press the N button to re-enter Bluetooth pairing mode.
5. The speaker can pair with two devices simultaneously but plays audio from only one at a time. To switch audio sources, pause playback on the current device first.

TWS (True Wireless Stereo) Mode

1. Turn on two DOSS Extreme Boom Pro speakers.
2. On both speakers, press and hold the N button to enter TWS pairing mode.
3. Once paired, the primary speaker's LED will turn solid white, and the secondary speaker's LED will flash white.
4. Connect your Bluetooth device to the primary speaker (named "Extreme Boom Pro").
5. If two smart devices are already connected via Bluetooth, entering TWS pairing will disconnect the currently playing device.
6. To exit TWS mode, press and hold the N button again.

PartySync Mode

1. Turn on one speaker and pair it with your device via Bluetooth.
2. Press and hold the N button for 3 seconds to enter PartySync mode. This speaker becomes the primary speaker, and its LED turns solid white.
3. Turn on other DOSS speakers and press and hold their N button to enter PartySync mode. These become secondary speakers, and their LEDs turn off.
4. If two smart devices are connected, entering PartySync mode will disconnect the currently playing device.
5. To exit PartySync mode, press and hold the N button again.
6. Note: Buttons M, N, +, and - on secondary speakers cannot be controlled in PartySync mode.

Using Your Speaker with Echo Dot

Connect your Echo Dot to the speaker via Bluetooth:

1. Set up your Echo Dot using the Alexa app and connect it to your Wi-Fi network.
2. Switch the Extreme Boom Pro to Bluetooth mode. You may need to press the power button to re-enter pairing mode if it doesn't appear.
3. Open the Alexa app, navigate to Menu > Settings.
4. Select your Echo Dot, then tap Bluetooth.
5. Look for "Extreme Boom Pro" in the list of available Bluetooth devices. If it's not listed, press the power button on the speaker to re-initiate pairing.
6. Tap the speaker name to complete the pairing process.
7. To remove the device, go to Bluetooth settings in the Alexa app, tap the speaker's name, and select "Forget Device".

Note: Voice commands cannot turn the speaker on or off when connected via Bluetooth.

Safety Instructions

• Avoid dropping or hitting the speaker.
• Avoid exposing the speaker to extreme temperatures.
• Do not use the speaker near a microwave oven.
• Never disassemble or attempt to repair the speaker yourself.
• Never use corrosive cleaners or oils to clean the speaker.
• Never leave the speaker in a car parked in the sun.
• Never attempt to charge the speaker while it is wet.

Compliance Statements

FCC Statement: This equipment complies with Part 15 of the FCC Rules. Operation is subject to two conditions: this device may not cause harmful interference, and it must accept any interference received, including interference that may cause undesired operation. Changes not explicitly approved by the manufacturer may void the user's authority to operate the equipment.

RF Exposure Information: The device has been evaluated to meet general RF exposure requirements and can be used in portable exposure conditions without restriction.

ISED Statement (Canada): This device complies with Innovation, Science and Economic Development Canada's licence-exempt RSS standards. Operation is subject to two conditions: this device may not cause interference, and it must accept any interference, including interference that may cause undesired operation. Minimum distance of 20 cm between the radiator and your body is recommended.