Harman Kardon Onyx Studio 8 vs Harman Kardon Go + Play 2

Last updated: August 18, 2026

Short answer: the Harman Kardon Onyx Studio 8. It ranks #10 of 73 boombox speakers by sound quality at $159.99; the Harman Kardon Go + Play 2 ranks #18 and costs $350, so there is not much of a tradeoff to weigh.

The case for the Harman Kardon Onyx Studio 8: Warm sound with boosted bass. The tradeoff: Not as loud as others.

What the Harman Kardon Go + Play 2 gets right: Warm sound with boosted bass. The catch: Not as loud as others.

Buy the Harman Kardon Onyx Studio 8. It ranks higher for sound quality than the Harman Kardon Go + Play 2 and costs less, so there is no real case for the other one.

Harman Kardon Onyx Studio 8 vs Harman Kardon Go + Play 2

Specifications Side By Side

Harman Kardon Onyx Studio 8 Harman Kardon Go + Play 2
Price$159.99$350 Discontinued
Ranked#10 of 73 in Boombox Size Portable Bluetooth Speakers#18 of 73 in Boombox Size Portable Bluetooth Speakers
Aux InputYes-
Aux Latency42ms0ms
Bass Extension (-10dB)35Hz40Hz
Battery Life8 hours (Manufacturer specified)8 hours (Manufacturer specified)
Built in MicrophoneYesYes
IP RatingNoneNone
Bluetooth Latency175ms33ms
Max Volume96dB99dB
Power InputDC Barrel Connector (19V/2.1A)AC Power brick
StereoYesYes
OmnidirectionalNoNo
TWSYesNo
Weight7.3 lbs / 3.3 kg5.3 lbs / 2.4 kg
AppYes (Harman Kardon One app)No
Bluetooth CodecsSBCSBC
Power BankNoNo
EQYes (App EQ)No
Party ModeNoYes (Wireless Dual Sound)
USB PlaybackNoNo
Bluetooth Version5.2-
Output Power50W RMS100W AC / 30W battery
Dimensions10.6" x 11.9" x 6.3" (268 x 302.5 x 159.5 mm)20" x 9" x 9.5" (508 x 228.6 x 241.3 mm)
Drivers2x 75mm woofers + 2x 20mm tweeters2x 90mm (3.5") woofers (front and rear firing) + 2x 20mm tweeters
Digital Aux InputNoNo
Discontinued-Yes

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

The Two Speakers In Full

Harman Kardon Onyx Studio 8: $159.99 Amazon

Harman Kardon Onyx Studio 8 ranking card

Pros: Warm sound with boosted bass.

Cons: Not as loud as others. No water rating.

AppYes (Harman Kardon One app)
Aux InputYes
Aux Latency42ms
Bass Extension (-10dB)35Hz
Battery Life8 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency175ms
Bluetooth Version5.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions10.6" x 11.9" x 6.3" (268 x 302.5 x 159.5 mm)
Drivers2x 75mm woofers + 2x 20mm tweeters
EQYes (App EQ)
IP RatingNone
Max Volume96dB
OmnidirectionalNo
Output Power50W RMS
Party ModeNo
Power BankNo
Power InputDC Barrel Connector (19V/2.1A)
StereoYes
TWSYes
USB PlaybackNo
Weight7.3 lbs / 3.3 kg

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Harman Kardon Go + Play 2: $350 Discontinued

Harman Kardon Go + Play 2 ranking card

Pros: Warm sound with boosted bass.

Cons: Not as loud as others. No water rating. Discontinued.

AppNo
Aux Latency0ms
Bass Extension (-10dB)40Hz
Battery Life8 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency33ms
Built in MicrophoneYes
Digital Aux InputNo
Dimensions20" x 9" x 9.5" (508 x 228.6 x 241.3 mm)
DiscontinuedYes
Drivers2x 90mm (3.5") woofers (front and rear firing) + 2x 20mm tweeters
EQNo
IP RatingNone
Max Volume99dB
OmnidirectionalNo
Output Power100W AC / 30W battery
Party ModeYes (Wireless Dual Sound)
Power BankNo
Power InputAC Power brick
StereoYes
TWSNo
USB PlaybackNo
Weight5.3 lbs / 2.4 kg

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