Harman Kardon Go + Play 3 vs Bogasing S8 Pro Max

Last updated: October 10, 2026

Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The Harman Kardon Go + Play 3 ranks #3 of 91 boombox speakers by sound quality at $385; the Bogasing S8 Pro Max ranks #24 of 103 large speakers by sound quality at $123.49.

Harman Kardon Go + Play 3 vs Bogasing S8 Pro Max

Why pick the Harman Kardon Go + Play 3: Warm sound with boosted bass. It supports AAC Bluetooth, which the Bogasing S8 Pro Max lacks. It has an adjustable EQ, which the Bogasing S8 Pro Max lacks. The catch: Just a little over half as loud as the higher rated boomboxes.

The Bogasing S8 Pro Max is the longer-running, lighter choice. A true three way stereo design in an aluminium body: a 70mm woofer, two 52mm midrange drivers and two 31mm silk tweeters angled outward, backed by two 80mm passive radiators. It is rated for 30 hours of battery against 8 for the Harman Kardon Go + Play 3. At 3.4 lbs (1.55 kg) it weighs much less than the Harman Kardon Go + Play 3 at 10.4 lbs (4.7 kg). The tradeoff: Its tuning is bright: the 3D mode pushes the mids and treble hard, can sound sharp or tiring at higher volumes, and sometimes adds an echo effect to vocals.

Buy the Harman Kardon Go + Play 3 at $385 if you want a boombox speaker. Buy the Bogasing S8 Pro Max at $123.49 if you want a large speaker instead.

Still deciding? The full Portable Bluetooth rankings cover every ranked option.

Check Harman Kardon Go + Play 3 price at Amazon ($385) →Check Bogasing S8 Pro Max price at Amazon ($123.49) →

Specifications Side By Side

Harman Kardon Go + Play 3 Bogasing S8 Pro Max
Price$385$123.49
Ranked#3 of 91 in Boombox Size Portable Bluetooth Speakers#24 of 103 in Large Size Portable Bluetooth Speakers
AppYes (Harman Kardon One app)No
Aux Latency112ms-
Bass Extension (-10dB)35Hz-
Battery Life8 hours (Manufacturer specified)30 hours (Manufacturer specified)
Built-in MicrophoneYesYes
EQYes (App EQ)No
IP RatingNone-
Bluetooth Latency120ms-
Maximum SPL103dB (measured by Alan Ross Reviews)-
Power InputAC Power brickUSB-C
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
Weight10.4 lbs (4.7 kg)3.4 lbs (1.55 kg)
BluetoothYesYes
Bluetooth CodecsSBC, AACSBC
Power BankYes-
Party ModeNo-
USB PlaybackNoYes
Bluetooth Version5.25.3
Amplifier Power160W RMS100W (40W woofer, 2x 20W midrange, 2x 10W tweeters)
Dimensions17.3” x 9.4” x 7.6” (439 x 240 x 192 mm)4.3”H x 11.1”W x 2.6”D (110 x 281 x 65 mm)
Aux InputYesYes
Drivers1x 130mm (5”) subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters70mm woofer + 2x 52mm midrange + 2x 31mm silk tweeters + 2x 80mm passive radiators
Digital Aux InputNoNo
StrapNo-
MicroSD Playback-Yes
Check Harman Kardon Go + Play 3 price at Amazon ($385) →Check Bogasing S8 Pro Max price at Amazon ($123.49) →

Watch Them Compared

Videos and reviews that test both speakers side by side.

More worthwhile head-to-heads for Harman Kardon Go + Play 3:

Prices on this page were last checked October 10, 2026 at 5:37 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

Harman Kardon Go + Play 3: $385 Amazon eBay

Harman Kardon Go + Play 3 ranking card

Older model: the Harman Kardon Go + Play 2 (ranked lower, rated 3.9/5). See every Harman Kardon Go + Play generation.

Pros: Warm sound with boosted bass. Deepest bass out of any speaker in this size. Sound is more natural than the Harman Kardon Go + Play 2. An aux input, a built-in microphone, a power bank function, stereo pairing and hidden button combinations for adjusting bass and treble. Measured bass extension of 35Hz (-10dB).

Cons: Just a little over half as loud as the higher rated boomboxes. Only 8 hours of battery at medium volume. No water rating.

Setup: Use the hidden EQ modes to adjust the bass up when outside and down when inside. To adjust bass, quickly press the bluetooth and volume down buttons together, the number of light flashes tell you what mode you’re in. To adjust treble, quickly press the volume up and phone buttons at the same time, the number of yellow flashes on the light tell you what mode you are in.

Featured on:

Full Harman Kardon Go + Play 3 review and specifications →

ReleasedJul 2023 (3 years ago)
Amplifier Power160W RMS
AppYes (Harman Kardon One app)
Aux InputYes
Aux Latency112ms
Bass Extension (-10dB)35Hz
Battery Life8 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC
Bluetooth Latency120ms
Bluetooth Version5.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions17.3” x 9.4” x 7.6” (439 x 240 x 192 mm)
Drivers1x 130mm (5”) subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters
EQYes (App EQ)
IP RatingNone
Maximum SPL103dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeNo
Power BankYes
Power InputAC Power brick
StereoYes
StrapNo
TWSYes
USB PlaybackNo
Weight10.4 lbs (4.7 kg)
Check current price at Amazon ($385) →Search eBay for Harman Kardon Go + Play 3 →

Bogasing S8 Pro Max: $123.49 Amazon eBay

Bogasing S8 Pro Max ranking card

Older model: the Bogasing S8 Pro (ranked lower, rated 2.7/5). See every Bogasing S8 Pro generation.

Pros: A true three way stereo design in an aluminium body: a 70mm woofer, two 52mm midrange drivers and two 31mm silk tweeters angled outward, backed by two 80mm passive radiators. Its 3D mode throws a noticeably wider soundstage than mono rivals like the Bose SoundLink Plus and JBL Charge 5, and in side by side listening it came across as fuller, punchier and more detailed than both the JBL Charge 5 and the Soundcore Motion X600. Unlike many portables it stays clean at full volume without audible compression or distortion, where the Bose SoundLink Max, Marshall Middleton and Loewe We Hear Pro all strained. Vocal mode is the most neutral preset. Plays FLAC and other lossless files from USB drives and microSD cards, has an aux input and a built-in mic, and two units pair for stereo.

Cons: Its tuning is bright: the 3D mode pushes the mids and treble hard, can sound sharp or tiring at higher volumes, and sometimes adds an echo effect to vocals. Bass is punchy but not especially deep, and the Tribit Stormbox Lava, Harman Kardon Go + Play 3 and Loewe We Hear Pro all deliver warmer, fuller low end at moderate volume; the Sony ULT Field 5 also sounded richer at moderate levels. Bass mode is its quietest preset rather than its fullest. There is no app or adjustable EQ, only three fixed sound modes.

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Full Bogasing S8 Pro Max review and specifications →

ReleasedAug 2024 (2 years ago)
Amplifier Power100W (40W woofer, 2x 20W midrange, 2x 10W tweeters)
AppNo
Aux InputYes
Battery Life30 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.3
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions4.3”H x 11.1”W x 2.6”D (110 x 281 x 65 mm)
Drivers70mm woofer + 2x 52mm midrange + 2x 31mm silk tweeters + 2x 80mm passive radiators
EQNo
MicroSD PlaybackYes
OmnidirectionalNo
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackYes
Weight3.4 lbs (1.55 kg)
Check current price at Amazon ($123.49) →Search eBay for Bogasing S8 Pro Max →