These sit in different size classes, so this is not a straight ranking comparison. The Sony ULT Tower 7 ranks #1 of 53 party speakers by sound quality at $648; the JBL Partybox 1000 ranks #4 of 13 large party speakers by sound quality at $1,099.95.

Different sizes. The ULT Tower 7 is a 50.3 lbs (22.8 kg) party speaker with a battery. The PartyBox 1000 is a 75 lbs (34 kg) large party speaker with no battery. Each is rated within its own class.
The PartyBox 1000 is about sheer scale, with 1100W, a 12 inch down-firing woofer, a compression horn tweeter and a waterfall light show. It has no battery and no app.
The ULT Tower 7 claims 30 hours with the lights off, spreads sound in 360 degrees, and has balanced XLR, RCA and mic inputs, LDAC and a 10-band EQ. It is IPX4.
Buy the Sony ULT Tower 7 at $648 if you want a party speaker. Buy the JBL Partybox 1000 at $1,099.95 if you want a large party speaker instead.
If water resistance matters to you, the Sony ULT Tower 7 at IPX4 (splashing) holds up far better than the JBL Partybox 1000 at no water resistance.
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.
As an eBay Partner, we may be compensated if you make a purchase.
Specifications Side By Side
| Sony ULT Tower 7 | JBL Partybox 1000 | |
|---|---|---|
| Price | $648.00 | $1,099.95 |
| Ranked | #1 of 53 in Party Size Portable Bluetooth Speakers | #4 of 13 in Large Party Size Portable Bluetooth Speakers |
| App | Yes (Sony Sound Connect) | No |
| Aux Input | RCA input | Yes |
| Battery Life | 30 hours (lights off; manufacturer specified) | No Battery |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC | SBC |
| Bluetooth Version | 5.3 | 4.2 |
| Built-in Microphone | No | No |
| Digital Aux Input | Yes (USB-C) | No |
| Dimensions | 13.7” x 16.6” x 28” (348 x 422 x 711 mm) | 15.6” x 41.3” x 15.4” (397 x 1050 x 390 mm) |
| Drivers | 7 drivers: 1x woofer, 2x midrange, 2x front tweeter, 2x rear tweeter | 1x 12” down-firing woofer, 2x 7” midrange, 1x compression horn tweeter |
| EQ | Yes (10 band; ULT1 / ULT2 / Flat) | Yes |
| Guitar Input | No | Yes |
| IP Rating | IPX4 | None |
| Microphone Input | Yes | Yes (Karaoke mode with echo effect) |
| Omnidirectional | Yes (360 degree Party Sound) | No |
| Amplifier Power | 420W | 1100W |
| Party Mode | Yes (Auracast) | No |
| Power Bank | Yes (USB charging) | Yes (USB-A) |
| Power Input | AC power cord | AC Power cord |
| Removable Battery | No | - |
| Stereo | Yes | Yes |
| TWS | Yes (Stereo Pair) | Yes |
| USB Playback | Yes (USB-A) | Yes |
| Weight | 50.3 lbs (22.8 kg) | 75 lbs (34 kg) |
| Wi-Fi | No | No |
| Lights | Yes | Yes |
| Wheels | Yes | Yes |
| Strap | No | No |
Related Speaker Comparisons
How Sony ULT Tower 7 compares with other leading options: