BOOM-300 - Loudspeaker Steren - Free user manual and instructions
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| Product Type | Portable Bluetooth Loudspeaker |
| Brand | Steren |
| Model | BOOM-300 |
| Dimensions | 200 × 70 × 70 mm |
| Weight | 500 g |
| Power Output | 10 W RMS |
| Frequency Response | 100 Hz – 20 kHz |
| Impedance | 4 Ω |
| Bluetooth Version | 5.0 |
| Wireless Range | Up to 10 m |
| Battery Capacity | 1800 mAh |
| Playback Time | Up to 8 hours |
| Charging Time | 2–3 hours |
| Charging Port | USB-C |
| Speaker Driver | 2 × 5 W full-range drivers |
| Water Resistance | IPX5 (splash-proof) |
| Built-in Microphone | Yes, for hands-free calls |
| Audio Input | 3.5 mm AUX auxiliary |
| Controls | Power, Volume, Play/Pause, Call Answer/End |
| Maintenance & Cleaning | Wipe with a dry, soft cloth; avoid moisture and abrasive cleaners |
| Safety Guidelines | Do not expose to extreme temperatures; keep away from water (unless IPX5 rated) |
| Spare Parts & Repairability | Contact Steren technical support for authorized service; no user-serviceable parts internally |
Frequently Asked Questions - BOOM-300 Steren
How do I pair the BOOM-300 with my smartphone?
Turn on the speaker and put it in pairing mode by pressing the Bluetooth button. On your phone, enable Bluetooth and select BOOM-300 from the available devices. The speaker will emit a tone when connected.
How long does the battery last on a full charge?
The built-in 1800 mAh battery provides up to 8 hours of continuous playback at moderate volume. Battery life may vary depending on volume level and audio content.
Can I use the speaker while it is charging?
Yes, the BOOM-300 supports pass-through usage, so you can listen to music while the battery charges via the USB-C port. However, charging time may be longer during use.
Is the BOOM-300 waterproof?
The speaker has an IPX5 rating, meaning it is protected against water splashes and light rain. Do not submerge it in water.
How do I reset the speaker to factory settings?
To reset, turn off the speaker, then press and hold the Play/Pause and Volume Down buttons simultaneously for 5 seconds. The speaker will restart and clear previous Bluetooth pairings.
Can I connect two BOOM-300 speakers for stereo sound?
Yes, if the speaker supports TWS (True Wireless Stereo). Pair the first speaker to your phone, then press the TWS button on both speakers to link them together for a left/right channel experience.
How do I use the AUX input?
Plug a 3.5mm audio cable into the AUX port on the speaker and the other end into your audio device. The speaker automatically switches to AUX mode when the cable is inserted.
How do I charge the speaker?
Connect the provided USB-C cable to the speaker's charging port and a USB power adapter (5V/1A or higher). The LED indicator lights up red while charging and turns green when fully charged.
What do the LED indicators mean?
The power LED glows green when on, red when charging, and flashes blue during Bluetooth pairing. A steady blue light indicates a successful connection.
How good is the microphone for hands-free calls?
The built-in microphone offers noise reduction and a decent pickup range for clear conversations. Press the Call button to answer or end calls, and use the speaker's volume controls during calls.
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USER MANUAL BOOM-300 Steren
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Product information
Brand : Steren
Model : BOOM-300
Category : Loudspeaker