Harman Kardon Luna 2 vs Sony XB33

Last updated: September 1, 2026

Short answer: the Harman Kardon Luna 2 if sound quality matters most, the Sony XB33 if price matters most. The Harman Kardon Luna 2 ranks #22 of 138 medium speakers at $199.95. The Sony XB33 ranks #61 at $110, $89.95 cheaper.

What the Harman Kardon Luna 2 offers: Articulate, spacious midrange with precise imaging and instrument separation. Tight, well-controlled bass from the 62mm x 82mm woofer and passive radiator despite the compact body, and it stays cleaner at volume than pricier rivals like the Sonos Play. Watch for: Treble can sound bright and edgy, and it loses more output off-axis than some rivals. Some listeners hear mid-range rattling on certain tracks, similar to sibling JBL models. 12-hour battery life trails category leaders like the JBL Charge 6, which doubles it.

What the Sony XB33 gets right: IP67 rated and lightweight (2.4 lb). App-controlled color LED lighting, Party Connect links up to 100 speakers. ~19 hour real-world battery without lights. The tradeoff: Not very loud. Upper bass peaks, midrange dip, upper midrange peaks, not very neutral. Speaker will not remain at max volume and will turn itself down automatically.

Buy the Harman Kardon Luna 2 when sound quality outweighs the price for you, and the Sony XB33 when the price outweighs sound quality instead.

There is a real battery-life gap here: the Sony XB33 is rated for 24 hours, the Harman Kardon Luna 2 only 12 hours.

Buy the Harman Kardon Luna 2 at Amazon ($199.95) →

Harman Kardon Luna 2 vs Sony XB33

Specifications Side By Side

Harman Kardon Luna 2 Sony XB33
Price$199.95$110
Ranked#22 of 138 in Medium Size Portable Bluetooth Speakers#61 of 138 in Medium Size Portable Bluetooth Speakers
AppYesYes (Sony Music Connect App)
Aux InputNoNo
Battery Life12 hours (Manufacturer specified)24 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC, AAC, LDAC
EQYes (4 presets + custom)Yes (3 band)
IP RatingIP67IP67
MicroSD PlaybackNo-
Power InputUSB-C-
StereoNoYes
OmnidirectionalNoNo
TWSYes-
USB PlaybackNo-
Weight1.6 lbs / 735 g2.4 lbs / 1.1 kg
Bluetooth Version5.45.0
Dimensions8.5" x 3.3" x 3.2" (216 x 84 x 81 mm)9.7" x 3.8" x 4.2" (246 x 97 x 106 mm)
Drivers62mm x 82mm woofer with passive radiator, 20mm tweeter2x 48x70mm X-Balanced racetrack drivers + 2x passive radiators
Frequency Response58Hz - 20kHz (-6dB) (Manufacturer specified)-
Output Power40W (25W woofer + 15W tweeter)16W RMS
Digital Aux InputNoNo
Bass Extension (-10dB)-50Hz
Bluetooth Latency-110ms
Max Volume-97dB
Party Mode-Yes (Party Connect up to 100 speakers)
Power Bank-Yes (USB-A)
Buy the Harman Kardon Luna 2 at Amazon ($199.95) →

A few more comparisons worth a look in the same class:

Prices on this page were last checked September 1, 2026 at 2:15 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 Luna 2: $199.95 Amazon B&H Photo Video eBay

Harman Kardon Luna 2 ranking card

Pros: Articulate, spacious midrange with precise imaging and instrument separation. Tight, well-controlled bass from the 62mm x 82mm woofer and passive radiator despite the compact body, and it stays cleaner at volume than pricier rivals like the Sonos Play. IP67 rated, and two units pair via AirTouch for true stereo sound.

Cons: Treble can sound bright and edgy, and it loses more output off-axis than some rivals. Some listeners hear mid-range rattling on certain tracks, similar to sibling JBL models. 12-hour battery life trails category leaders like the JBL Charge 6, which doubles it. Single unit is not stereo (1.1 driver layout).

Full Harman Kardon Luna 2 review and specifications →

AppYes
Aux InputNo
Battery Life12 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.4
Digital Aux InputNo
Dimensions8.5" x 3.3" x 3.2" (216 x 84 x 81 mm)
Drivers62mm x 82mm woofer with passive radiator, 20mm tweeter
EQYes (4 presets + custom)
Frequency Response58Hz - 20kHz (-6dB) (Manufacturer specified)
IP RatingIP67
MicroSD PlaybackNo
OmnidirectionalNo
Output Power40W (25W woofer + 15W tweeter)
Power InputUSB-C
StereoNo
TWSYes
USB PlaybackNo
Weight1.6 lbs / 735 g
Check current price at Amazon ($199.95) →Check current price at B&H Photo Video →Search eBay for Harman Kardon Luna 2 →

Sony XB33: $110 eBay

Sony XB33 ranking card

Pros: IP67 rated and lightweight (2.4 lb). App-controlled color LED lighting, Party Connect links up to 100 speakers. ~19 hour real-world battery without lights.

Cons: Not very loud. Upper bass peaks, midrange dip, upper midrange peaks, not very neutral. Speaker will not remain at max volume and will turn itself down automatically.

Full Sony XB33 review and specifications →

AppYes (Sony Music Connect App)
Aux InputNo
Bass Extension (-10dB)50Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Latency110ms
Bluetooth Version5.0
Digital Aux InputNo
Dimensions9.7" x 3.8" x 4.2" (246 x 97 x 106 mm)
Drivers2x 48x70mm X-Balanced racetrack drivers + 2x passive radiators
EQYes (3 band)
IP RatingIP67
Max Volume97dB
OmnidirectionalNo
Output Power16W RMS
Party ModeYes (Party Connect up to 100 speakers)
Power BankYes (USB-A)
StereoYes
Weight2.4 lbs / 1.1 kg
Search eBay for Sony XB33 →