JBL Partybox 300 vs Bose S1 Pro

Last updated: August 18, 2026

Short answer: the JBL Partybox 300. It ranks #8 of 50 party speakers by sound quality at $300; the Bose S1 Pro ranks #16 and costs $699, so there is not much of a tradeoff to weigh.

The case for the JBL Partybox 300: Exceptional sound quality with crisp, crystal clear highs and midranges, hard punchy bass without muddiness. The tradeoff: Hard to carry, too tall, drags on the ground.

What the Bose S1 Pro gets right: Extremely compact and light with flexible placement options. The catch: With full range music, it becomes distorted above ⅔ volume.

Buy the JBL Partybox 300. It ranks higher for sound quality than the Bose S1 Pro and costs less, so there is no real case for the other one.

If battery life is a priority, the JBL Partybox 300 is rated for 18 hours versus 11 hours for the Bose S1 Pro.

JBL Partybox 300 vs Bose S1 Pro

Specifications Side By Side

JBL Partybox 300 Bose S1 Pro
Price$300 Discontinued$699.00 Discontinued
Ranked#8 of 50 in Party Size Portable Bluetooth Speakers#16 of 50 in Party Size Portable Bluetooth Speakers
AppNoYes
Aux InputYesYes
Bass Extension (-10dB)40Hz55Hz
Battery Life18 hours (Manufacturer specified)11 hours (Manufacturer specified)
Bluetooth CodecsSBCAAC, SBC
Bluetooth Version4.25.0
Dimensions27" x 13" x 12.7" (685.8 x 330.2 x 322.6 mm)13.1" x 9.4" x 11" (332.7 x 238.8 x 279.4 mm)
EQNoYes
Frequency Response45Hz - 20kHz (Manufacturer specified)-
Guitar InputYes-
IP RatingNoneNone
Microphone InputYes (Karaoke mode with echo effect)Yes
Party ModeNoYes (Bose Party mode)
Power BankYes (USB-A)No
Power InputAC Power cordAC Power cord
StereoYes (lying down)No
OmnidirectionalNoNo
TWSYesYes
USB PlaybackYesNo
Weight35.3 lbs / 16 kg14.3 lbs / 6.5 kg
Output Power120W-
Drivers2x 6.5" (165mm) woofers + 3x 2.25" (57mm) tweeters1x 6" (152mm) woofer + 3x 2.25" (57mm) tweeters
DiscontinuedYesYes
Digital Aux InputNoNo
Charging Time-5 hours
XLR Input-Yes
Max Volume-109dB

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

JBL Partybox 300: $300 Discontinued

JBL Partybox 300 ranking card

Pros: Exceptional sound quality with crisp, crystal clear highs and midranges, hard punchy bass without muddiness. 2x 6.5” woofers + 3x 2.25” tweeters, bass boost function, 45Hz-20kHz frequency range. 18-hour battery with 10400mAh capacity. Multiple inputs (RCA, USB, 3.5mm aux, mic, guitar). LED light modes (meter/pulse/party). True Wireless Stereo pairing up to 2 units.

Cons: Hard to carry, too tall, drags on the ground. Max spl and bass extension are only as good as the Partybox 100. No real reason to ever get one, get a Partybox 100 instead. Note, JBL daisychain is not compatible with any other non-JBL speaker and is possibly a fully digital signal. Discontinued.

AppNo
Aux InputYes
Bass Extension (-10dB)40Hz
Battery Life18 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version4.2
Digital Aux InputNo
Dimensions27" x 13" x 12.7" (685.8 x 330.2 x 322.6 mm)
DiscontinuedYes
Drivers2x 6.5" (165mm) woofers + 3x 2.25" (57mm) tweeters
EQNo
Frequency Response45Hz - 20kHz (Manufacturer specified)
Guitar InputYes
IP RatingNone
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Output Power120W
Party ModeNo
Power BankYes (USB-A)
Power InputAC Power cord
StereoYes (lying down)
TWSYes
USB PlaybackYes
Weight35.3 lbs / 16 kg

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Bose S1 Pro: $699.00 Discontinued Amazon

Bose S1 Pro ranking card

Pros: Extremely compact and light with flexible placement options. Full sound with no lack of low-end output, crystal-clear audio quality. Three-channel mixer (2 mic/line + 1 line/Bluetooth). Auto EQ adjusts sound based on orientation. Multiple angled surfaces for various positioning including tilted portrait mode. Up to 11 hours battery life. Professional build quality. High efficiency drivers reach 2-3x the volume of typical speakers for the same wattage.

Cons: With full range music, it becomes distorted above ⅔ volume. Better suited for voice amplification. Not as much deep bass as the Everse 8, midrange sounds reasonably balanced. Treble is pretty boosted. Not stereo. Designed for more loudness than deeper bass. Discontinued.

AppYes
Aux InputYes
Bass Extension (-10dB)55Hz
Battery Life11 hours (Manufacturer specified)
Bluetooth CodecsAAC, SBC
Bluetooth Version5.0
Charging Time5 hours
Digital Aux InputNo
Dimensions13.1" x 9.4" x 11" (332.7 x 238.8 x 279.4 mm)
DiscontinuedYes
Drivers1x 6" (152mm) woofer + 3x 2.25" (57mm) tweeters
EQYes
IP RatingNone
Max Volume109dB
Microphone InputYes
OmnidirectionalNo
Party ModeYes (Bose Party mode)
Power BankNo
Power InputAC Power cord
StereoNo
TWSYes
USB PlaybackNo
Weight14.3 lbs / 6.5 kg
XLR InputYes

As an eBay Partner, we may be compensated if you make a purchase.