JBL Partybox 300 vs Teufel Rockster Air

Last updated: August 19, 2026

Short answer: the JBL Partybox 300. It ranks #8 of 50 party speakers by sound quality; the Teufel Rockster Air ranks #27.

What the JBL Partybox 300 offers: 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. Watch for: Hard to carry, too tall, drags on the ground. Max spl and bass extension are only as good as the Partybox 100.

The case for the Teufel Rockster Air: Exceptional 58-hour battery (31 hours at full volume with ECO mode). User-replaceable battery adds real longevity. 112dB loud like live rock concert. The tradeoff: Peaky midrange, not very natural sounding. Starts to get distorted above half volume.

Buy the JBL Partybox 300 if sound quality matters more than the price. Buy the Teufel Rockster Air if the price matters more than sound quality.

If battery life is a priority, the Teufel Rockster Air is rated for 30 hours versus 18 hours for the JBL Partybox 300.

JBL Partybox 300 vs Teufel Rockster Air

Specifications Side By Side

JBL Partybox 300 Teufel Rockster Air
Price$300 Discontinued€500 Discontinued
Ranked#8 of 50 in Party Size Portable Bluetooth Speakers#27 of 50 in Party Size Portable Bluetooth Speakers
AppNoNo
Aux InputYesYes
Bass Extension (-10dB)40Hz~52Hz
Battery Life18 hours (Manufacturer specified)30 hours (Manufacturer specified)
Bluetooth CodecsSBCaptX, SBC
Bluetooth Version4.24.0
Dimensions27" x 13" x 12.7" (685.8 x 330.2 x 322.6 mm)11.8" x 21.3" x 11" (300 x 540 x 280 mm)
EQNoNo
Frequency Response45Hz - 20kHz (Manufacturer specified)-
Guitar InputYes-
IP RatingNoneNone
Microphone InputYes (Karaoke mode with echo effect)-
Party ModeNoNo
Power BankYes (USB-A)Yes (USB-C, 5V/2A)
Power InputAC Power cordAC Power cord
StereoYes (lying down)Yes
OmnidirectionalNoNo
TWSYesNo
USB PlaybackYesNo
Weight35.3 lbs / 16 kg32 lbs / 14.5 kg
Output Power120W250W
Drivers2x 6.5" (165mm) woofers + 3x 2.25" (57mm) tweeters2x 40mm tweeters + 2x 50mm woofers + passive radiators
DiscontinuedYesYes
Digital Aux InputNoNo
Max Volume-115dB

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

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

Teufel Rockster Air: €500 Discontinued

Teufel Rockster Air ranking card

Pros: Exceptional 58-hour battery (31 hours at full volume with ECO mode). User-replaceable battery adds real longevity. 112dB loud like live rock concert. Tight bass, solid build, clean full-range guitar output (legitimate practice amp). XLR mic/instrument/aux inputs with companion XLR daisy-chain. USB-A device charging. Party Link Stereo pairs two units wirelessly.

Cons: Peaky midrange, not very natural sounding. Starts to get distorted above half volume. Only available in Europe. Discontinued.

AppNo
Aux InputYes
Bass Extension (-10dB)~52Hz
Battery Life30 hours (Manufacturer specified)
Bluetooth CodecsaptX, SBC
Bluetooth Version4.0
Digital Aux InputNo
Dimensions11.8" x 21.3" x 11" (300 x 540 x 280 mm)
DiscontinuedYes
Drivers2x 40mm tweeters + 2x 50mm woofers + passive radiators
EQNo
IP RatingNone
Max Volume115dB
OmnidirectionalNo
Output Power250W
Party ModeNo
Power BankYes (USB-C, 5V/2A)
Power InputAC Power cord
StereoYes
TWSNo
USB PlaybackNo
Weight32 lbs / 14.5 kg

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