These sit in different size classes, so this is not a straight ranking comparison. The JBL Partybox Ultimate ranks #3 of 13 large party speakers by sound quality at $1,899.95; the Soundboks Mix ranks #36 of 53 party speakers by sound quality at $799.
The case for the JBL Partybox Ultimate: A huge party speaker with deep, powerful bass and clear sound at extreme volume, plus Wi-Fi and karaoke inputs. It has an adjustable EQ, which the Soundboks Mix lacks. It plays in stereo from a single unit, unlike the Soundboks Mix. The catch: At 86 lbs (39 kg) and more than a metre tall, this is not casually portable despite the wheels.
The Soundboks Mix is the battery-powered, lighter choice. A rugged, weatherproof party speaker with a swappable battery that runs all day at mid volume and fast USB-C charging. Its battery is rated for 40 hours, while the JBL Partybox Ultimate needs an outlet. At 21.4 lbs (9.7 kg) it weighs much less than the JBL Partybox Ultimate at 86 lbs (39 kg). The tradeoff: Doesn’t have as deep of bass as higher-ranked speakers, and can sound somewhat bright in the treble.
Buy the JBL Partybox Ultimate ($1,899.95) for a large party speaker; the Soundboks Mix ($799) suits a party speaker instead.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Prices on this page were last checked November 7, 2026 at 7:34 PM 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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Specifications Side By Side
| JBL Partybox Ultimate | Soundboks Mix | |
|---|---|---|
| Price | $1,899.95 | $799 |
| Ranked | #3 of 13 in Large Party Size Portable Bluetooth Speakers | #36 of 53 in Party Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | No Battery | 40 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC (additional codecs unverified) |
| EQ | Yes (3 band) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | IP65 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Power Bank | Yes (USB-A, 5V/2.1A) | No |
| Power Input | AC Power cord | USB-C |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 86 lbs (39 kg) | 21.4 lbs (9.7 kg) |
| Wi-Fi | Yes | - |
| Built-in Microphone | No | - |
| Party Mode | Yes (Auracast) | Yes (TeamUp, up to 5 speakers) |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 17.9” x 41.3” x 17.3” (455 x 1049 x 440 mm) | 19.1” x 13.5” x 10.9” (484 x 342 x 276 mm) |
| Drivers | 2x 9” subwoofer, 2x 4.5” midrange, 2x 2.75” tweeter | 10” woofer, 1.2” tweeter |
| Amplifier Power | 1100W | 72W |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Wheels | Yes | - |
| Strap | No | - |
| Frequency Response | - | 40Hz - 20kHz (Manufacturer specified) |
| Maximum SPL | - | 121dB (Manufacturer specified) |
| Removable Battery | - | Yes |
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