







JVC SP-SX3BT Portable 45mm Bluetooth Speaker
- Two 45mm stereo drivers
- 5W + 5W maximum output
- Bluetooth 5.0 wireless streaming
- IPX5 water-resistant construction
- Up to 18-hour battery life
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The JVC SP-SX3BT is a portable wireless speaker designed for convenient everyday listening at home, outdoors, or while traveling. It combines Bluetooth audio streaming with a compact rechargeable design, eliminating the need for a permanently wired speaker connection. An AUX input provides an alternate way to connect compatible audio sources.
Two 45mm drivers deliver stereo sound, with a maximum output rating of 5W + 5W. The speaker is intended for listeners who want a small, self-contained option for music, podcasts, and other mobile-device audio. Bluetooth 5.0 supports wireless playback at an effective line-of-sight range of approximately 33 feet.
The SP-SX3BT includes True Wireless Stereo functionality for pairing with another compatible SP-SX3BT speaker. This enables a two-speaker stereo setup without an audio cable between the speakers. It is a practical upgrade path for users who want wider sound coverage from a portable system.
An integrated 1800mAh rechargeable battery supports up to 18 hours of playback, while the listed charging time is approximately three hours. The speaker charges through its Micro USB connection using the included USB-to-Micro USB cable. Playback time can vary with operating conditions and listening volume.
Its IPX5 water-resistance rating helps the speaker handle rain and splashes, making it suitable for poolside, patio, kitchen, and casual outdoor use. The unit also supports hands-free calling through its Bluetooth connection. Physical controls provide access to playback, volume, track selection, calls, and TWS pairing.
Key Features
- Dual 45mm Drivers: Two drivers provide stereo audio from a compact portable enclosure.
- 5W + 5W Output: Delivers up to 10 watts of listed maximum output.
- Bluetooth 5.0: Streams audio wirelessly from compatible Bluetooth devices.
- TWS Stereo Function: Pairs with another compatible speaker for stereo playback.
- IPX5 Water Resistance: Helps protect against rain and splashes.
- Rechargeable Battery: Supports up to 18 hours of listed playback.
Design & Installation
The SP-SX3BT uses an ABS housing with a rubberized oil finish and fabric exterior material. Its portable form factor weighs 11 oz, helping it fit easily into everyday travel and casual listening setups. A silicone cover protects the connection area during normal use.
No vehicle installation or amplifier wiring is required. Charge the speaker with the included USB-to-Micro USB cable, then pair it with a Bluetooth source or connect a compatible source through the AUX input. For TWS use, add a second compatible SP-SX3BT speaker and use the onboard controls to establish the wireless speaker pair.
| Model Number | SP-SX3BT |
|---|---|
| Product Type | Portable wireless speaker |
| Speaker System | Bluetooth wireless speaker |
| Wireless Operation | Yes |
| Driver Quantity | 2 |
| Driver Size | 45mm |
| Maximum Output | 5W + 5W |
| Speaker Impedance | 4 ohms |
| Bluetooth Version | 5.0 |
| Bluetooth Effective Range | Approx. 33 ft line of sight |
| Bluetooth Working Distance | 10 m |
| NFC | Yes |
| True Wireless Stereo | Yes |
| Audio Inputs | Bluetooth and AUX |
| Calling Function | Yes |
| Ingress Protection Rating | IPX5 |
| Water Resistance | Yes |
| Battery Capacity | 1800mAh |
| Battery Type | Rechargeable |
| Maximum Battery Life | Up to 18 hours |
| Charging Time | Approx. 3 hours |
| Charging Connection | Micro USB |
| Housing Material | ABS |
| Housing Finish | Rubber oil |
| Exterior Material | Fabric |
| Operating Temperature | -10 to 40°C |
| Speaker Weight | 11 oz |
| Included Charging Cable | USB-to-Micro USB cable |
| Play/Pause Control | M button |
| Bluetooth Disconnect Control | Long press M button |
| Volume Control | Onboard + and - buttons |
| Track Control | Long press + or - button |
| Call Answer/End Control | Short press power button |
| Call Reject Control | Double press power button |
| TWS Pairing Control | Double press power button |
Can I use the SP-SX3BT in a vehicle?
Yes, it can be used as a portable Bluetooth speaker in a vehicle. It is not a vehicle-installed speaker and does not replace factory or aftermarket car speakers.
Can two SP-SX3BT speakers be paired together?
Yes. The speaker includes TWS functionality for wireless stereo playback with another compatible speaker.
Does this speaker have an AUX connection?
Yes. The SP-SX3BT supports AUX input in addition to Bluetooth playback.
What is included with the speaker?
The package includes the Bluetooth speaker and a USB-to-Micro USB charging cable. A separate AC charging adapter is not listed as included.
Is the SP-SX3BT waterproof?
It is rated IPX5 water resistant. This rating is intended for protection from rain and splashes, not underwater use.
Can I take calls through the speaker?
Yes. The speaker supports calling functions through its Bluetooth connection, including answering and ending calls from the onboard controls.
Shipping
- Free standard shipping on this item
- Free 2nd-Day Air on items $99+
- FREE Next-Day Air on orders over $499
- Orders placed on business days are typically processed the same day, delivery estimates are shown at checkout.
Warranty & Returns
- Authorized Dealer, Audio Watt Inc. is an authorized dealer, every item is factory sealed with full US manufacturer warranty
- 60-Day Returns, Hassle-free returns, see our return policy for details
- Price Match Promise, We match verified prices from authorized US retailers, see policy for terms

JVC SP-SX3BT Portable 45mm Bluetooth Speaker