Enjoy Bluetooth wireless music streaming and party lighting with the JBL PartyBox 300 Bluetooth Speaker. Bluetooth connectivity also allows you to pair two compatible speakers together, or you can daisy-chain multiple speakers and systems with the RCA audio output. The PartyBox features RCA and 1/8″ audio inputs for traditional wired devices and a USB input for playback from compatible drives, as well as dedicated 1/4″ microphone and 1/4″ guitar jacks.
The speaker has two 6.5″ woofers and three 2.25″ tweeters that deliver up to 120W of RMS power. Integrated carry handles help make it easy to move the PartyBox around, and an included 12V car adapter and built-in 18-hour battery let you use the speaker nearly anywhere.
There are there light modes to choose from: Meter, Pulse, and Party Mode.
Portable with 12V DC Source
Plug the PartyBox into a car cigarette charger or use the built-in 18-hour rechargeable battery for portable use.
Mic and Guitar Inputs
Plug your microphone and guitar into their dedicated 1/4″ inputs and play your own music.
Wireless Bluetooth Streaming
Stream from your favorite Bluetooth-equipped source device.
USB Playback and Charging
Pre-program your party with your favorite playlist loaded onto your USB thumb drive. The USB port also lets you charge your compatible device as an added convenience.
TWS and RCA
Connect speakers with the RCA output or use TWS (True Wireless Stereo), which utilizes Bluetooth to pair up to two compatible speakers.
Add extra punch to your party with the Bass Boost function.
- 2 x 6.5″ / 165.1 mm Woofers
- 3 x 2.25″ / 57.15 mm Tweeters
45 Hz to 18 kHz
Signal to Noise Ratio
Supported Bluetooth Profiles
Bluetooth Transmitter Modulation
p/4 DQPSK, 8DPSK, GFSK
33′ / 10.1 m
- 1 x Stereo 2RCA (Audio)
- 1 x 1/8″ (3.5 mm) Stereo (Audio)
- 2 x 1/4″ TS (Audio)
- 1 x USB Type-A (Audio)
- 1 x 2RCA Stereo (Audio)
USB Power Output
5 VDC at 2.1 A
Expected Battery Life
Dimensions (W x H x D)
12.2 x 27.17 x 12.6″ / 310 x 690 x 320 mm
34.8 lb / 15.8 kg