The JBL PartyBox 300 is a large, tall speaker with eye-catching circular RGB lights. You can place it either horizontally or vertically, as its tweeters adjust to create a stereo image based on its positioning. This speaker has a long 18.3-hour battery life and can get very loud. It's lacking a lot of low-bass, but it has a Bass Boost feature. Also, the microphone and guitar ports make it suitable for musicians.
Our Verdict
The JBL PartyBox 300 is decent for music. It has a balanced mid-range and should reproduce vocals and lead instruments clearly. However, it's lacking low-bass, and its recessed treble can make audio sound a bit dull. There's no EQ to help you customize its sound, though there's a Bass Boost feature.
- Gets very loud.
- Lacks low-bass.
The JBL PartyBox 300 is acceptable for videos and movies. Its balanced mid-range can reproduce voices clearly, but it lacks low-bass, so you don't feel the deep rumble in action-packed scenes. It can get very loud, but unfortunately, there's a bit of latency when watching videos on an Android or iOS device. Some apps compensate for latency, so your real-world experience may vary.
- Gets very loud.
- Lacks low-bass.
The JBL PartyBox 300 is satisfactory for podcasts. Its balanced mid-range can reproduce voices clearly and accurately, and it can get very loud. You can easily stream podcasts from your phone or tablet to the bar wirelessly over a Bluetooth connection, and it supports multi-device pairing. Unfortunately, it's quite large and isn't very portable.
- Gets very loud.
- Bluetooth-compatible.
- Not very portable.
- Not compatible with Wi-Fi.
The JBL PartyBox 300 doesn't have voice assistant support.
The JBL PartyBox 300 is decent for outdoor use. It can get very loud, and its 18.3-hour battery life is suitable for long days outside without a recharge. While it's well-built, it isn't rated for dust, water, or impact resistance, so you should be careful about where you use it. Also, its large and heavy design can be difficult to bring on-the-go.
- Gets very loud.
- 18.3-hour battery life.
- Not dust, water, or impact resistant.
- Not very portable.
Changelog
- Updated Nov 20, 2023: Added market comparison with the JBL PartyBox 1000 in the Dynamics box.
- Updated Sep 08, 2023: Added market comparison with the Bose S1 Pro+ in the Portability box.
- Updated Dec 20, 2022: Changed Track Next/Previous to Yes (Physical).
- Updated Dec 08, 2022: Added a market comparison with the Sony SRS-XP500 in the Frequency Response Accuracy box.
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Differences Between Sizes And Variants
This speaker is available in 'Black'. JBL also produces similar-looking party speakers, including the JBL PartyBox 100, the JBL PartyBox 200, and the JBL PartyBox 1000, but these may not have the same performance.
If you come across another variant, let us know in the discussions so we can update our review.
Popular Speaker Comparisons
The JBL PartyBox 300 is a large speaker with an eye-catching design thanks to the circular RGB lights. It has a similar design to the JBL PartyBox 100, but it's a bit bigger and its sound profile isn't as well-balanced. It can get very loud, and it comes with microphone and guitar ports that make it suitable for musicians.
The Sony GTK-XB90 is a slightly better speaker than the JBL PartyBox 300, though they have different strengths. The Sony is more customizable than the JBL, thanks to the graphic EQ and presets available on its companion apps. It also has a more natural-sounding soundstage and can be paired to three devices at once, so you can easily switch between your audio sources. That said, the JBL has a better-balanced sound profile and can get louder than the Sony with less compression at max volume.
The JBL PartyBox 300 is better for music than the Bose S1 Pro System. The JBL has a better soundstage performance, and it can get louder. Also, it has longer battery life. However, the Bose is a smaller, less heavy speaker, so it's much more portable.
The JBL PartyBox 300 and the JBL Boombox 2 are similar speakers with a few different features. The Boombox has a more open soundstage, and it's more portable thanks to its smaller size. It's also rated IPX7 for water resistance, though we don't currently test for this. However, the PartyBox can get louder and it has much less compression at max volume.
The JBL PartyBox 1000 is a more premium speaker than the JBL PartyBox 300. While each have similar designs, only the 1000 comes with a DJ pad. It's a larger speaker, too, getting louder and reproducing a more extended low-bass. However, it's not quite as portable as the 300 since it's wired-only.
Test Results
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