1. Ynlieding
Tankewol foar de oankeapasing the Sharp GX-BT390 Crystal Clear Series Bluetooth Speaker. This portable speaker is designed to deliver high-quality audio with enhanced bass, featuring IP67 waterproof and dustproof capabilities, LED light modes, and True Wireless Stereo (TWS) pairing. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
2. Package Ynhâld
Kontrolearje asjebleaft oft alle items oanwêzich binne:
- Sharp GX-BT390 Bluetooth Speaker
- Oplaadkabel (USB-C)
- User Manual
3. Produkt Overview
Familiarize yourself with the various parts of your Sharp GX-BT390 speaker.

figuer 3.1: Front view of the Sharp GX-BT390 speaker, highlighting the control panel with volume buttons, play/pause, and power indicator.

figuer 3.2: Efterkant view of the Sharp GX-BT390 speaker, illustrating the sealed charging port and attachment points for the carrying strap.

figuer 3.3: Side view of the Sharp GX-BT390 speaker, showing the textured surface and the adjustable carrying strap.

Figure 3.4: The Sharp GX-BT390 speaker with its end cap illuminated, displaying the Sharp logo and an active LED light mode.
Kontrôles en yndikatoaren:
- Power knop: Druk en hâld om oan/út te skeakeljen.
- Volume omheech (+): Volume ferheegje.
- Volume del (-): Volume ferminderje.
- Knop spielje/pauze: Play or pause music, answer/end calls.
- Bluetooth Pairing knop: Start de Bluetooth-koppelingsmodus.
- LED-yndikator: Toant stroomstatus, oplaadstatus en Bluetooth-ferbiningstatus.
- Knop ljochtmodus: Cycle through LED light modes.
4. Opsette
4.1 De sprekker oplade
- Open the protective cover on the back of the speaker to access the USB-C charging port.
- Connect the provided USB-C cable to the speaker's charging port.
- Ferbine it oare ein fan 'e USB-C-kabel mei in kompatibel USB-stroomadapter (net ynbegrepen).
- De LED-yndikator sil de oplaadstatus oanjaan. In folsleine lading duorret normaal sawat 3-4 oeren.
- Once fully charged, disconnect the cable and securely close the protective cover to maintain IP67 water and dust resistance.
4.2 Yn-/útskeakelje
- Om oan te setten: Press and hold the Power button for approximately 2 seconds until you hear an audible tone and the LED indicator illuminates.
- Om út te skeakeljen: Press and hold the Power button for approximately 2 seconds until you hear an audible tone and the LED indicator turns off.
4.3 Bluetooth -keppeling
- Ensure the speaker is powered on and within 1 meter of your Bluetooth device.
- The speaker will automatically enter Bluetooth pairing mode when first powered on, or if no device is connected. The LED indicator will flash rapidly.
- Skeakelje Bluetooth yn op jo Bluetooth-apparaat (smartphone, tablet, ensfh.) en sykje nei beskikbere apparaten.
- Select "Sharp GX-BT390" from the list of devices.
- Once paired, you will hear a confirmation tone, and the LED indicator will glow solid blue.
- If pairing fails, turn off the speaker and your device, then repeat the steps.
5. Bedriuwsinstruksjes
5.1 Muzykôfspylje
- Spylje / Pauze: Druk ien kear op de Play / Pause knop.
- Folume omheech: Druk op de knop '+'.
- Folume omleech: Druk op de knop '-'.
- Folgjende track: Druk op de '+' knop en hâld dy yndrukt.
- Foarige spoar: Druk op de '-' knop en hâld dy yndrukt.
5.2 Hannenfrij skilje
The Sharp GX-BT390 features a built-in microphone for hands-free calls when connected to your smartphone.
- Oprop antwurdzje: Druk ien kear op de Play / Pause knop.
- Oprop einigje: Druk ien kear op de knop Ofspielje/Pauze tidens in oprop.
- Oprop ôfwize: Druk en hâld de Play / Pause knop foar 2 sekonden.
5.3 Echt Draadloze Stereo (TWS) Pairing
You can pair two Sharp GX-BT390 speakers together for a stereo sound experience.
- Ensure both GX-BT390 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the Bluetooth pairing button for 3 seconds. You will hear a tone.
- De twa sprekkers sille automatysk nei elkoar sykje en mei-inoar ferbine. Sadree't se ferbûn binne, hearre jo in befêstigingstoan.
- Now, connect your Bluetooth device to the primary speaker as described in section 4.3.
5.4 LED-ljochtmodi
The speaker features two LED mood lighting effects that synchronize with the music.
- Press the Light Mode button to cycle through the available light modes.
- Press the Light Mode button again to select the next mode or turn off the lights.

Ofbylding 5.1: Oerview of key features including hands-free calling, LED light effects, IP67 rating, 10-hour playtime, 30W power output, and Bluetooth connectivity.
6. Underhâld
To ensure the longevity and performance of your Sharp GX-BT390 speaker, follow these maintenance guidelines:
- Reiniging: Wiskje de sprekker mei in sêfte, damp doek. Brûk gjin abrasive skjinmakkers of solvents.
- Wetter- en stofbestindichheid (IP67): The speaker is rated IP67, meaning it is protected from dust ingress and can withstand immersion in water up to 1 meter for 30 minutes. Ensure the charging port cover is securely closed to maintain this rating. Avoid prolonged exposure to water or extreme conditions.
- Opslach: Bewarje de sprekker op in koel, droech plak, fuort fan direkt sinneljocht en ekstreme temperatueren.
- Batterij soarch: To preserve battery life, charge the speaker regularly, even if not in use for extended periods. Avoid fully discharging the battery frequently.

Figure 6.1: Visual representation of the speaker's IP67 waterproof and dustproof capabilities.
7. Probleemoplossing
As jo problemen hawwe mei jo sprekker, sjoch dan nei de folgjende faak foarkommende problemen en oplossingen:
| Probleem | Mooglike oarsaak | Oplossing |
|---|---|---|
| Sprekker giet net oan | Leech batterij; Oan/út-knop net lang genôch yndrukt | Laad de sprekker op; Druk en hâld de oan/út-knop 2 sekonden yndrukt |
| Gjin lûd | Volume too low; Device not paired; Speaker muted | Increase volume on speaker and device; Re-pair Bluetooth; Check device mute settings |
| Bluetooth-kearing mislearret | Speaker too far from device; Device Bluetooth off; Interference | Ensure speaker is within 1 meter; Turn device Bluetooth on/off; Move away from other wireless devices |
| Min lûd kwaliteit | Low battery; Device too far; Obstructions | Charge speaker; Move device closer; Remove obstructions between speaker and device |
| TWS -koppeling mislearret | Speakers not in pairing mode; Already connected to another device | Ensure both speakers are disconnected from other devices; Follow TWS pairing steps carefully |
8. Spesifikaasjes
Detailed technical specifications for the Sharp GX-BT390 Bluetooth Speaker:
| Eigenskip | Spesifikaasje |
|---|---|
| Model Namme | GX-BT390(K) |
| Speaker Type | Bûten, draachbere Bluetooth-sprekker |
| Konnektivität Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Speaker Maksimum Output Power | 60 Watt (30W RMS) |
| Audioútfiermodus | Stereo (mei TWS-koppeling) |
| Special Features | Bass Boost, Built-in Microphone, Dustproof, LED Light, Lightweight |
| Wetter Resistance Level | IP67 (wetter- en stofdicht) |
| Power Boarne | Batterij oandreaun (1 lithium-ion-batterij ynbegrepen) |
| Batterij Life | Oant 10 oeren |
| Maksimum berik | 33 Feet (10 meter) |
| Control Metoade | Touchknoppen |
| Produkt Ofmjittings | 4"D x 8.5"B x 4"H (10.16 sm D x 21.59 sm B x 10.16 sm H) |
| Item Gewicht | 1.75 pûn (28 ounces) |

Figure 8.1: Internal component diagram illustrating the speaker drivers responsible for 30-watt rich bass and powerful sound.
9. Garânsje en stipe
The Sharp GX-BT390 Bluetooth Speaker comes with a Limited Warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please contact Sharp customer service through their official webside of de kontaktgegevens dy't by jo produktdokumintaasje binne levere.