Short answer: the JBL Partybox Encore Essential. It ranks #8 of 89 boombox speakers by sound quality, rated 4.2/5, at $329.95. The Pioneer PBM5 ranks #89, rated 2.0/5, at $149, $180.95 cheaper, a saving that is not big enough to make up the sound-quality gap.
What the JBL Partybox Encore Essential does well: JBL Partybox Encore Essential uses 135mm woofer + 2x 44mm tweeters. The tradeoff: Bass is limited by its 38Hz specification.
The case for the Pioneer PBM5: Loud for its size: Williston Audio Labs measured about 105 dB at 2 meters, louder than the Turtlebox Original Gen3 and Kicker Bullfrog BF400 in the same test. The catch: Williston Audio Labs was not impressed with its sound: there is very little bass below 100Hz, and the amplifier’s output has a big dip from 1.6kHz to 10kHz that leaves the upper mids and treble recessed.
Buy the JBL Partybox Encore Essential. It is rated higher for sound quality, and the $180.95 saving on the Pioneer PBM5 is not enough to make up the difference.
There is a real battery-life gap here: the Pioneer PBM5 is rated for 13 hours, the JBL Partybox Encore Essential only 6 hours.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| JBL Partybox Encore Essential | Pioneer PBM5 | |
|---|---|---|
| Price | $329.95 | $149.00 |
| Ranked | #8 of 89 in Boombox Size Portable Bluetooth Speakers | #89 of 89 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (JBL PartyBox app) | Yes |
| Aux Input | Yes | Yes |
| Aux Latency | 17ms | - |
| Bass Extension (-10dB) | 38Hz | - |
| Battery Life | 6 hours (Manufacturer specified) | 13 hours at 60% volume (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | - |
| Built-in Microphone | No | - |
| EQ | Yes (3 band App EQ) | Yes (presets + user EQ) |
| IP Rating | IPX4 | IPX5 |
| Bluetooth Latency | 100ms | - |
| Party Mode | Yes (PartyBoost up to 100 speakers) | Yes (Auracast) |
| Power Bank | Yes (USB-A, 5V/0.5A) | - |
| Power Input | AC Power cord | USB-C or AC Power cord |
| Stereo | Yes | - |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes (MP3 only) |
| Weight | 13 lbs (5.9 kg) | 14.1 lbs (6.4 kg) |
| Bluetooth Version | 5.1 | 5.4 |
| Amplifier Power | 100W RMS | 300W peak (Manufacturer specified), about 90W measured |
| Dimensions | 10.9” x 12.9” x 11.5” (276 x 327 x 293 mm) | 8.9”H x 17.4”W x 8.1”D (226 x 442 x 207 mm) |
| Drivers | 135mm woofer + 2x 44mm tweeters | 2x 133mm (5.25”) woofers + 2x 51mm (2”) tweeters |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | 105dB at 2m (measured by Williston Audio Labs) |
| Digital Aux Input | No | - |
| Strap | No | Yes (detachable shoulder strap) |
| Guitar Input | - | Yes |
| Lights | - | Yes |
| Microphone Input | - | Yes (2 inputs) |
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Prices on this page were last checked September 30, 2026 at 2:57 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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The Two Speakers In Full
JBL Partybox Encore Essential: $329.95 Amazon eBay
Newer model: the JBL Partybox Encore Essential 2, ranked higher, rated 4.3/5.
Pros: JBL Partybox Encore Essential uses 135mm woofer + 2x 44mm tweeters. Its 5.9 kg, claimed 6 hours (Manufacturer specified) battery life, IPX4 protection, aux input, up to 110dB and stereo playback make it a practical option for its intended room or portable use. Measured bass extension of 38Hz (-10dB).
Cons: Bass is limited by its 38Hz specification.
Full JBL Partybox Encore Essential review and specifications →
| Amplifier Power | 100W RMS |
|---|---|
| App | Yes (JBL PartyBox app) |
| Aux Input | Yes |
| Aux Latency | 17ms |
| Bass Extension (-10dB) | 38Hz |
| Battery Life | 6 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 100ms |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 10.9” x 12.9” x 11.5” (276 x 327 x 293 mm) |
| Drivers | 135mm woofer + 2x 44mm tweeters |
| EQ | Yes (3 band App EQ) |
| IP Rating | IPX4 |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (PartyBoost up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/0.5A) |
| Power Input | AC Power cord |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 13 lbs (5.9 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: JBL giving it to us large! The good, The bad, The diabolical! More from alanrossreviews →
- DLX Willington: Called It!🤣 JBL Partybox Encore VS Essential, with binaural sound sample. More from DLXWillington →
- Jay’s Straight Up Reviews & More: Triple Threat 💸 $200 Challenge 🔋 Soundcore Rave Party 2, W-King H10, JBL Partybox Encore Essential More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: Klipsch Gig XXL vs JBL Partybox Encore Essential (Pee-Wee) - Indoors, Plugged In🔌 Bluetooth Speakers
- Head-to-Head Comparisons
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- JBL Partybox Encore Essential vs JBL Partybox Encore
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- JBL Partybox Encore Essential vs Yeahbox Sonic Boom Ultra
- JBL Partybox Encore Essential vs JBL PartyBox On-The-Go 2 Plus
- JBL Partybox Encore Essential vs JBL Partybox Encore 2
- JBL Partybox Encore Essential vs Harman Kardon Onyx Studio 8
- See all 76 comparisons
Pioneer PBM5: $149.00 Sam’s Club eBay
Pros: Loud for its size: Williston Audio Labs measured about 105 dB at 2 meters, louder than the Turtlebox Original Gen3 and Kicker Bullfrog BF400 in the same test. Two 5.25 inch woofers and two 2 inch tweeters with a port tuned to 48Hz, two microphone inputs plus a guitar input with bass, treble and reverb controls for the mics, aux and USB playback, IPX5 splash resistance, RGB lights, a shoulder strap, Bluetooth 5.4 with Auracast, and charging from either USB-C or the included AC cord. A rated 13 hours at 60% volume.
Cons: Williston Audio Labs was not impressed with its sound: there is very little bass below 100Hz, and the amplifier’s output has a big dip from 1.6kHz to 10kHz that leaves the upper mids and treble recessed. None of the EQ presets fixed it, and a 1990 JVC boombox sounded cleaner. The amp measured about 90W in total, not the claimed 300W, and only about 23W per woofer channel on battery. USB playback is MP3 only, there is no audio output and no microphone in the box, and it is sold only at Sam’s Club.
Full Pioneer PBM5 review and specifications →
| Amplifier Power | 300W peak (Manufacturer specified), about 90W measured |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Battery Life | 13 hours at 60% volume (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Version | 5.4 |
| Dimensions | 8.9”H x 17.4”W x 8.1”D (226 x 442 x 207 mm) |
| Drivers | 2x 133mm (5.25”) woofers + 2x 51mm (2”) tweeters |
| EQ | Yes (presets + user EQ) |
| Guitar Input | Yes |
| IP Rating | IPX5 |
| Lights | Yes |
| Maximum SPL | 105dB at 2m (measured by Williston Audio Labs) |
| Microphone Input | Yes (2 inputs) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Input | USB-C or AC Power cord |
| Strap | Yes (detachable shoulder strap) |
| TWS | Yes |
| USB Playback | Yes (MP3 only) |
| Weight | 14.1 lbs (6.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons