Short answer: the JBL Boombox 2. It ranks #29 of 73 boombox speakers by sound quality at $350; the Turtlebox Grande ranks #54 and costs $730, so there is not much of a tradeoff to weigh.
What the Turtlebox Grande offers: 10-inch woofer. IP67 submersible shell with crush-proof ABS exterior. 158Wh battery provides ~3 days of playback. Bluetooth 5.4, party mode (100+ speakers). Watch for: They pretty much lie about all their specs and sound just okay in all youtube sound samples. Only 100w will never hit 126db at a reasonable measuring distance. Putting your db meter right against the speaker doesn’t count, 1 meter distance is the standard. Barely any bass for a 10” woofer. Overpriced and not worth it.
What the JBL Boombox 2 offers: 24 hour battery life (default volume); 20+ hours even at 60% volume. IPX7 rated. Doubles as a power bank. Bluetooth 5.1 with PartyBoost (up to 100 speakers). Reaches 101dB. Watch for: Somewhat bass heavy and boomy.
Buy the JBL Boombox 2. It ranks higher for sound quality than the Turtlebox Grande and costs less, so there is no real case for the other one.
Specifications Side By Side
| Turtlebox Grande | JBL Boombox 2 | |
|---|---|---|
| Price | $730.00 | $350 Discontinued |
| Ranked | #54 of 73 in Boombox Size Portable Bluetooth Speakers | #29 of 73 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~55Hz | 46Hz |
| Battery Life | 25 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Built in Microphone | Yes | No |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | Yes | No |
| Party Mode | Yes (Turtlebox Party Mode) | Yes (PartyBoost up to 100 speakers) |
| Power Input | USB-C | AC Power brick |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 18.8 lbs / 8.53 kg | 13 lbs / 5.9 kg |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | No |
| Power Bank | Yes (USB-C) | Yes (USB-A) |
| USB Playback | No | No |
| Bluetooth Version | 5.4 | - |
| Output Power | 86W | 160W |
| Dimensions | 14" x 8.4" x 11.5" (355.6 x 213.4 x 292.1 mm) | 19.1" x 7.9" x 10.1" (485 x 201 x 257 mm) |
| Drivers | 1x 10" (254mm) woofer + 1x 1.25" (32mm) titanium tweeter | 2x 81mm woofers + 2x 20mm tweeters with passive radiators |
| Digital Aux Input | No | No |
| Aux Latency | - | 33ms |
| Bluetooth Latency | - | 140ms |
| Max Volume | - | 108dB |
| FM Tuner | - | No |
| Microphone Input | - | No |
| Discontinued | - | Yes |
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Prices on this page were last checked August 25, 2026 at 6:19 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Turtlebox Grande: $730.00 Amazon eBay
Pros: 10-inch woofer. IP67 submersible shell with crush-proof ABS exterior. 158Wh battery provides ~3 days of playback. Bluetooth 5.4, party mode (100+ speakers).
Cons: They pretty much lie about all their specs and sound just okay in all youtube sound samples. Only 100w will never hit 126db at a reasonable measuring distance. Putting your db meter right against the speaker doesn’t count, 1 meter distance is the standard. Barely any bass for a 10” woofer. Overpriced and not worth it.
Full Turtlebox Grande review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~55Hz |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 14" x 8.4" x 11.5" (355.6 x 213.4 x 292.1 mm) |
| Drivers | 1x 10" (254mm) woofer + 1x 1.25" (32mm) titanium tweeter |
| EQ | No |
| IP Rating | IP67 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 86W |
| Party Mode | Yes (Turtlebox Party Mode) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 18.8 lbs / 8.53 kg |
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JBL Boombox 2: $350 Discontinued Amazon eBay
Pros: 24 hour battery life (default volume); 20+ hours even at 60% volume. IPX7 rated. Doubles as a power bank. Bluetooth 5.1 with PartyBoost (up to 100 speakers). Reaches 101dB.
Cons: Somewhat bass heavy and boomy. Discontinued.
Full JBL Boombox 2 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Aux Latency | 33ms |
| Bass Extension (-10dB) | 46Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 140ms |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 19.1" x 7.9" x 10.1" (485 x 201 x 257 mm) |
| Discontinued | Yes |
| Drivers | 2x 81mm woofers + 2x 20mm tweeters with passive radiators |
| EQ | No |
| FM Tuner | No |
| IP Rating | IPX7 |
| Max Volume | 108dB |
| MicroSD Playback | No |
| Microphone Input | No |
| Omnidirectional | No |
| Output Power | 160W |
| Party Mode | Yes (PartyBoost up to 100 speakers) |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 13 lbs / 5.9 kg |
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