Short answer: the Soundboks Go for battery life, the JBL Partybox 330 for output. The Go runs an exceptional 40 hours at mid-volume and 10 hours at full volume, with a swappable design and a second battery available, but it is not as loud as the other Soundboks models. The 330 has a convenient handle and wheels, though its sound is nearly identical to the 310 and Stage 320 despite the power bump. The Soundboks Go is discontinued; its replacement is the Soundboks Mix.
Buy the JBL Partybox 330. It is rated higher for sound quality and still sold new, while the Soundboks Go is discontinued.
If battery life is a priority, the Soundboks Go is rated for 40 hours versus 18 hours for the JBL Partybox 330.
If water resistance matters to you, the JBL Partybox 330 at IPX4 (splashing) holds up far better than the Soundboks Go at no water resistance.
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Specifications Side By Side
| JBL Partybox 330 | Soundboks Go | |
|---|---|---|
| Price | $629.95 | $799 Discontinued |
| Ranked | #2 of 53 in Party Size Portable Bluetooth Speakers | #37 of 53 in Party Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | 18 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 6.0 | 5.0 |
| Charging Time | 3 hours | - |
| Drivers | 2x 6.5” (165mm) woofers + 2x 1” (25mm) PEN dome tweeters | 10” woofer, 1” tweeter |
| EQ | Yes (Smart EQ mode) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | None |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Inputs | Optical | - |
| Party Mode | Yes (Auracast) | Yes (TeamUp, up to 5 speakers) |
| Power Bank | Yes (USB-C, 5V/1A) | No |
| Power Input | AC Power cord | AC Power cord |
| Removable Battery | Yes | Yes |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 37.7 lbs (17.1 kg) | 19.8 lbs (9 kg) |
| Amplifier Power | 280W | 2 x 72W |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Wheels | Yes | - |
| Dimensions | 26.1”H x 13.1”W x 14.8”D (662.5 x 334 x 375 mm) | 18” x 12” x 10” (457.2 x 304.8 x 254 mm) |
| Strap | No | - |
| Bass Extension (-10dB) | - | 55Hz |
| Frequency Response | - | 40Hz - 20kHz (Manufacturer specified) |
| Maximum SPL | - | 121dB (Manufacturer specified) |
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