Short answer: the Sony ULT Field 7 for better sound quality, the Onn Medium Party Speaker Gen 2 for the lower price. The Sony ULT Field 7 ranks #61 of 112 boombox speakers, rated 3.2/5, at $448. The Onn Medium Party Speaker Gen 2 ranks #65, rated 3.1/5, at $90, $358 cheaper.
The Sony ULT Field 7 is the longer-running choice. A waterproof stereo party speaker with a 30 hour battery and karaoke mic and guitar inputs. It is rated for 30 hours of battery against 20 for the Onn Medium Party Speaker Gen 2. It supports LDAC Bluetooth, which the Onn Medium Party Speaker Gen 2 lacks. It has an adjustable EQ, which the Onn Medium Party Speaker Gen 2 lacks. The catch: A peak around 8kHz, and bass does not reach as deep as the top-ranked speakers.
The Onn Medium Party Speaker Gen 2 is the lighter choice. An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio. At 11 lbs (5 kg) it weighs noticeably less than the Sony ULT Field 7 at 13.9 lbs (6.3 kg). The catch: Lacking detail compared to the Onn Large Party gen 2 and not as deep of bass.
Buy the Sony ULT Field 7 if sound quality matters more than the price. Buy the Onn Medium Party Speaker Gen 2 if the price matters more than sound quality.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
A waterproof stereo party speaker with a 30 hour battery and karaoke mic and guitar inputs.
An affordable waterproof party speaker with a big woofer, lights, a karaoke mic input and FM radio.
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Specifications Side By Side
| Sony ULT Field 7 | Onn Medium Party Speaker Gen 2 | |
|---|---|---|
| Price | $448.00 | $90 |
| Ranked | #61 of 112 in Boombox Size Portable Bluetooth Speakers | #65 of 112 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~52Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Guitar Input | Yes | - |
| IP Rating | IP67 | IPX7 |
| Microphone Input | Yes (Karaoke mode with echo effect) | Yes (Karaoke mode with echo effect) |
| Party Mode | Yes (Party Connect up to 100 speakers) | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A, 5V/1.5A) | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord | AC Power cord |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| USB Playback | Yes | No |
| Weight | 13.9 lbs (6.3 kg) | 11 lbs (5 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC | SBC |
| App | No | No |
| EQ | Yes (App + ULT button) | No |
| TWS | Yes | Yes |
| Built-in Microphone | Yes | No |
| Bluetooth Version | 5.2 | - |
| Dimensions | 20.2” x 8.8” x 8.7” (512 x 224 x 222 mm) | 9.6” x 10.9” x 15.1” (244.1 x 277.9 x 383 mm) |
| Amplifier Power | 100W | 50W RMS / 200W peak |
| Drivers | 2x 114mm x 114mm X-Balanced woofers + 2x 46mm (1.9”) tweeters | 8” (203mm) woofer + tweeters |
| Digital Aux Input | No | No |
| Strap | No | - |
| FM Tuner | - | Yes (16 presets) |
| Lights | - | Yes |
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