Indledning
Thank you for choosing the DOSS Extreme Boom Pro D300 Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance and longevity. Please read this manual thoroughly before use.
Hvad er der i æsken
- DOSS Extreme Boom Pro D300 Bluetooth Speaker
- USB-C ladekabel
- Brugervejledning (dette dokument)
Produkt overview
The DOSS Extreme Boom Pro D300 is a powerful portable Bluetooth speaker designed for immersive stereo sound and versatile use. It features intuitive controls, robust construction, and dynamic lighting effects.
Kontrol og porte
The speaker features a top-panel control interface for easy operation and a rear panel for various connectivity options.
- Toppanel: Power, Play/Pause, Volume Up/Down, Mode, Lighting Effects, 3-Mode EQ, TWS Pairing. These buttons offer tactile feedback and are positioned for natural thumb's reach.
- Bagside: USB-C input (for charging), USB-A output (for power bank function), AUX input, TF-Card slot (for direct playlist access). These ports are protected by a sealed cover to maintain the speaker's waterproof rating.

Billede: Top view of the DOSS Extreme Boom Pro D300 speaker, highlighting the control buttons for power, mode, volume, play/pause, and extra bass. The handle is visible at the top.

Image: Close-up of the DOSS Extreme Boom Pro D300's rear panel, showing the DC IN (USB-C), USB-A, AUX, and TF-CARD ports, protected by a rubber flap.
Opsætning
Tænd/sluk
- Press and hold the Power button on the top panel for 2 seconds to turn the speaker on or off.
Bluetooth-parring
- Turn on the DOSS Extreme Boom Pro D300 speaker.
- The Bluetooth indicator light will flash, indicating it's in pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "Extreme Boom Pro D300".
- Select the speaker to connect. A solid Bluetooth indicator light confirms successful pairing.
Ægte trådløs stereo (TWS) parring
Connect two DOSS Extreme Boom Pro D300 speakers wirelessly for an immersive stereo sound experience.
- Tænd for begge højttalere.
- Select one speaker as the primary speaker and press its TWS button.
- Once paired, the TWS light of the primary speaker will turn solid orange, and the secondary speaker will flash orange slowly.
- Find "Extreme Boom Pro D300" on your Bluetooth device and connect it.
Betjeningsvejledning
Grundlæggende kontrol
- Afspil/pause: Tryk én gang på knappen Afspil/Pause.
- Lydstyrke op/ned: Tryk på knapperne '+' eller '-'.
- Næste / forrige nummer: Press and hold the '+' or '-' buttons.
- Mode-knap (M): Press to switch between Bluetooth, AUX, and TF-Card/USB playback modes.
Pro EQ Modes
The speaker offers three distinct EQ modes to customize your audio experience:
- Normal tilstand: Balanceret lydprofffile til hverdagslytning.
- Bastilstand: Enhanced bass for deeper, more impactful sound. Ideal for hip-hop and EDM.
- Diskanttilstand: Boosted treble for clearer vocals and crisp highs. Suitable for podcasts and audiobooks.
Switch between these modes directly from the top panel controls.

Image: The DOSS Extreme Boom Pro D300 speaker shown with three different EQ modes: Normal, Bass, and Treble, each depicted with a different background scenario.
Beat-Driven Lights
The speaker features LED lights that pulse to the rhythm of your music, creating an immersive visual experience. You can cycle through different lighting effects or turn them off using the dedicated button on the top panel.

Image: Multiple DOSS Extreme Boom Pro D300 speakers displaying four different beat-sync LED light presets: Flame, Energy, Ambient, and Flash.
Nødkraftbank
The built-in USB-A port allows you to charge your phone or tablet on the go. Connect your device using a compatible USB cable (not included, or use the included charging cable for the speaker).

Image: A DOSS Extreme Boom Pro D300 speaker on a wooden deck, charging a smartphone via its USB-A port, with a person sitting nearby.
Lydfunktioner
Experience powerful and immersive audio with the DOSS Extreme Boom Pro D300.
- 80W Powerful Audio: Delivers 107dB loudness for room-filling sound.
- Forbedret bas: Tuned with side-mounted passive radiators for surprising low-end punch.
- Frekvensrespons: 20 KHz.
- Signal-til-støjforhold: 80 dB.

Billede: En eksploderet view of the DOSS Extreme Boom Pro D300 speaker, illustrating its internal components including a 100W (50W) racetrack subwoofer, two 30W (15W) tweeters, and two bass passive radiators, contributing to 80W (160W Peak) sound output.
Portability & Durability
Designed for life on the move, the DOSS Extreme Boom Pro D300 is both portable and robust.
- IPX6 Vandtæt: Resistant to spills, splashes, and rain. Suitable for outdoor use near pools or at the beach.
- 20 timers spilletid: Enjoy up to 20 hours of music on a single charge (at 50% volume with bass and lights off).
- Indbygget bærehåndtag: A sturdy handle makes it easy to transport your music anywhere.
- Vægt: Cirka 2.2 kg.

Image: The DOSS Extreme Boom Pro D300 speaker placed on a rock near a waterfall, emphasizing its IPX6 waterproof rating, with two hikers in the background.

Image: A person carrying the DOSS Extreme Boom Pro D300 speaker by its handle while walking outdoors, with dimensions (11.89"D x 5.37"W x 2.55"H) and weight (4.85 pounds) overlaid.
Video: En kort reklamevideoasing the DOSS Extreme Boom Pro D300 speaker's features, including its design, sound, and portability.
Forbindelse
- Bluetooth 5.4: Provides rock-solid wireless streaming up to 33 feet (10 meters).
- Afspilning fra USB-drev: Plug in a USB drive (not included) to play music directly from your playlist.
- AUX-indgang: Connect devices via a 3.5mm audio cable (not included) for wired playback.
Opretholdelse
To ensure the longevity and optimal performance of your DOSS Extreme Boom Pro D300 speaker, follow these maintenance guidelines:
- Rensning: Tør højttaleren af med en blød, damp klæde. Undgå at bruge skrappe kemikalier eller slibende rengøringsmidler.
- Opbevaring: Opbevar højttaleren et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Vandeksponering: While IPX6 waterproof, avoid prolonged submersion in water. Ensure the rear port cover is securely closed before any water exposure.
- Opladning: Use the provided USB-C cable for charging. Avoid using damaged cables or chargers.
Fejlfinding
Almindelige problemer og deres løsninger:
| Spørgsmål | Løsning |
|---|---|
| Unable to pair 2 speakers for stereo sound | 1. Tænd for begge højttalere. 2. Select a speaker as the primary speaker and press the TWS button. 3. Once paired, the TWS light of the primary speaker turns solid orange, and the secondary speaker flashes orange slowly. 4. Find "Extreme Boom Pro D300" on your Bluetooth device and connect it. |
| How to know how much battery power is left? | There are four LED indicator lights above the volume up and down buttons, each representing 25% of the battery level. When all four LED lights are on, it indicates 100% battery level, followed by 75%, 50%, and 25% respectively. When only one indicator light is on, representing 25% battery level, it means the speaker needs to be charged promptly. |
| What should I do if there is a problem with my product? | If you encounter any issues, such as inability to charge or sound interruptions, please contact our support team via email at support@dossav.com. |
| How to set auto-shutdown, sound alerts, and shuffle? | Automatisk nedlukning: Press and hold the M button for 6 seconds to turn it on and off. Lydprompter: Press and hold the volume down button for 6 seconds to turn on and off. Random playback (USB stick mode): Press and hold the TWS button for 6 seconds to turn on and off. |
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | Extreme Boom Pro D300 |
| Mærke | DOSS |
| Højttaler type | Subwoofer |
| Forbindelsesteknologi | Trådløs (Bluetooth 5.4) |
| Trådløs kommunikationsteknologi | Bluetooth |
| Bluetooth rækkevidde | 33 fod (10 meter) |
| Højttaler Maksimal udgangseffekt | 160 watt (peak) |
| Frekvensrespons | 20 KHz |
| Signal-støjforhold | 80 dB |
| Vandmodstandsniveau | IPX6 (vandtæt) |
| Strømkilde | Batteridrevet (1 ikke-standardbatteri inkluderet) |
| Spilletid | Up to 20 hours (at 50% volume, bass and lights off) |
| Produktdimensioner | 11.89" D x 5.37" B x 2.55" H |
| Varens vægt | 4.84 pund (2.2 kilo) |
| Materiale | Metal, Plast |
| Fabrikant | Wonders Tech |
Garanti & Support
DOSS products are backed by a 12-month warranty, starting from the date of purchase, covering any quality-related concerns.
For any issues or assistance, please contact DOSS customer support:
- Telefon: 1-833-275-3677
- E-mail: support@dossav.com

Image: A customer service representative with a headset, alongside DOSS support contact details: phone number 1-833-275-3677 and email support@dossav.com. Below, it states 'One-Year Warranty' for quality-related concerns.