Short answer: the Stage 320, for nearly every use case. It ranks #3 out of 111, well ahead of the Turtlebox Grande at #79, and costs $160.05 less despite being a party speaker rather than a rugged outdoor unit.
The Grande’s own cons are harsh about its actual output. Its notes say it will never hit its claimed 126dB at a proper one meter measuring distance given its real 100W output, and despite stepping up to a 10 inch woofer, they describe it as having barely any bass for a driver that size, calling it overpriced and not worth it. Its pros do highlight genuine strengths for off-grid use: an IP67 submersible, crush-proof ABS shell and a 158Wh battery rated for about 3 days of playback.
The Stage 320 is both better reviewed and more capable as a party speaker. Its pros cite a convenient handle and wheels, customizable color lighting, a removable battery, and notably that it keeps more bass than JBL’s own 310 at high volume. Its only real knocks are slight sibilance in the treble at full blast and its sheer size. It’s also rated IPX4 against splashes, though not built for full submersion like the Grande.
Buy the Stage 320 if you want a better rated speaker with genuine party features (lighting, wheels, removable battery) for less money.
Buy the Turtlebox Grande only if you specifically need a fully submersible speaker with multi-day battery life for extended off-grid use, and can accept its own cons describing weak bass for a 10 inch woofer.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
An excellent sounding party speaker, with deep bass that holds up at high volume, wheels, a removable battery and mic inputs.
A rugged, submersible, crush-proof speaker with a 10 inch woofer and a battery that lasts for days.
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Specifications Side By Side
| JBL Partybox Stage 320 | Turtlebox Grande | |
|---|---|---|
| Price | $569.95 | $730.00 |
| Ranked | #3 of 50 in Party Size Portable Bluetooth Speakers | #79 of 111 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | 18 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.4 | 5.4 |
| Drivers | 2x 6.5” woofers, 2x 25mm tweeters | 1x 10” (254mm) woofer + 1x 1.25” (32mm) titanium tweeter |
| EQ | Yes (5 band) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | IP67 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Auracast) | Yes (Turtlebox Party Mode) |
| Power Bank | Yes (USB-A, 5V/2.1A) | Yes (USB-C) |
| Power Input | AC Power cord | DC Barrel Connector (20V/3A) |
| Removable Battery | Yes | - |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | No |
| Weight | 36.4 lbs (16.5 kg) | 18.8 lbs (8.53 kg) |
| Amplifier Power | 240W | 86W |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Wheels | Yes | - |
| Dimensions | 26.3”H x 13.2”W x 15.2”D (669 x 335 x 385 mm) | 14” x 8.4” x 11.5” (355.6 x 213.4 x 292.1 mm) |
| Strap | No | No |
| Bass Extension (-10dB) | - | ~55Hz |
| Built-in Microphone | - | Yes |
| MicroSD Playback | - | Yes |
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