JBL Partybox Stage 320 vs Sony SRS-XV900

Last updated: September 17, 2026

Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The JBL Partybox Stage 320 ranks #3 of 39 party speakers by sound quality at $499.95; the Sony SRS-XV900 ranks #11 of 12 large party speakers by sound quality at $900.

JBL Partybox Stage 320 vs Sony SRS-XV900

Short answer: the JBL Partybox Stage 320 comes out ahead here, rated 4.6 versus the Sony SRS-XV900’s 3.7. Worth noting on the JBL Partybox Stage 320: Handle and wheels are convenient. On the Sony SRS-XV900, can get slightly louder than a Partybox 310 is the main draw.

Where they differ on paper:

The JBL Partybox Stage 320’s argument: Handle and wheels are convenient. Watch for: slightly sibilant in the treble at full blast. It’s also the cheaper of the two, at $499.95 against $900.

Lean toward the Sony SRS-XV900 for can get slightly louder than a Partybox 310: Watch for: not as deep of bass and loses more bass at high volume compared to the Partybox 310 and every other speaker on this page. It commands a premium as well, $900 against $499.95.

Buy the JBL Partybox Stage 320 ($499.95) for a party speaker; the Sony SRS-XV900 ($900) suits a large party speaker instead.

The Sony SRS-XV900 is not a sound-quality pick. It sits near the bottom of the 12 large party speakers; there are better options higher up.

Water resistance is not close: the JBL Partybox Stage 320 is rated at IPX4 (splashing), well ahead of the Sony SRS-XV900 at no water resistance.

Looking for alternatives? See the complete Portable Bluetooth rankings.

Buy the JBL Partybox Stage 320 at Amazon ($499.95) →

Specifications Side By Side

JBL Partybox Stage 320 Sony SRS-XV900
Price$499.95$900 Discontinued
Ranked#3 of 39 in Party Size Portable Bluetooth Speakers#11 of 12 in Large Party Size Portable Bluetooth Speakers
AppYesYes
Aux InputYesYes
Battery Life18 hours (Manufacturer specified)25 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC, AAC, LDAC
Bluetooth Version5.45.2
Drivers2x 6.5" woofers, 2x 25mm tweeters9 drivers: 1x 12.6"x12.6" woofer, 2x 4.7" midrange, 2x 2" front tweeter, 2x 1.6" side tweeter, 2x 1.6" rear tweeter
EQYes (5 band)Yes
Guitar InputYesYes
IP RatingIPX4None
Microphone InputYes (Karaoke mode with echo effect)Yes (Karaoke mode with echo effect)
Party ModeYes (Auracast)Yes (Party Connect up to 100 speakers)
Power BankYes (USB-A, 5V/2.1A)Yes (USB-A)
Power InputAC Power cordAC Power cord
Removable BatteryYesNo
StereoPartiallyYes
OmnidirectionalNoNo
TWSYesYes
USB PlaybackYesYes
Weight36.4 lbs (16.5 kg)58.6 lbs (26.6 kg)
Amplifier Power240W100W
Digital Aux InputNoNo
LightsYesYes
WheelsYesYes
Inputs-Optical
Built-in Microphone-No
Wi-Fi-No
Dimensions-16.1" x 34.6" x 17.3" (410 x 880 x 439 mm)
Discontinued-Yes
Buy the JBL Partybox Stage 320 at Amazon ($499.95) →

More worthwhile head-to-heads for JBL Partybox Stage 320:

Prices on this page were last checked September 17, 2026 at 12:43 AM 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

JBL Partybox Stage 320: $499.95 Amazon B&H Photo Video eBay

JBL Partybox Stage 320 ranking card

Pros: Handle and wheels are convenient. Customizable color lighting modes. Keeps more bass than the 310 at high volume. Removable battery.

Cons: Slightly sibilant in the treble at full blast. Very large.

Full JBL Partybox Stage 320 review and specifications →

Amplifier Power240W
AppYes
Aux InputYes
Battery Life18 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.4
Digital Aux InputNo
Drivers2x 6.5" woofers, 2x 25mm tweeters
EQYes (5 band)
Guitar InputYes
IP RatingIPX4
LightsYes
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Party ModeYes (Auracast)
Power BankYes (USB-A, 5V/2.1A)
Power InputAC Power cord
Removable BatteryYes
StereoPartially
TWSYes
USB PlaybackYes
Weight36.4 lbs (16.5 kg)
WheelsYes
Check current price at Amazon ($499.95) →Check current price at B&H Photo Video →Search eBay for JBL Partybox Stage 320 →

Sony SRS-XV900: $900 Discontinued eBay

Sony SRS-XV900 ranking card

Pros: Can get slightly louder than a Partybox 310. Handle and wheels are convenient.

Cons: Not as deep of bass and loses more bass at high volume compared to the Partybox 310 and every other speaker on this page. Discontinued; Sony replaced the XV line with the ULT Tower series. Discontinued.

Full Sony SRS-XV900 review and specifications →

Amplifier Power100W
AppYes
Aux InputYes
Battery Life25 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Version5.2
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions16.1" x 34.6" x 17.3" (410 x 880 x 439 mm)
DiscontinuedYes
Drivers9 drivers: 1x 12.6"x12.6" woofer, 2x 4.7" midrange, 2x 2" front tweeter, 2x 1.6" side tweeter, 2x 1.6" rear tweeter
EQYes
Guitar InputYes
IP RatingNone
InputsOptical
LightsYes
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Party ModeYes (Party Connect up to 100 speakers)
Power BankYes (USB-A)
Power InputAC Power cord
Removable BatteryNo
StereoYes
TWSYes
USB PlaybackYes
Weight58.6 lbs (26.6 kg)
WheelsYes
Wi-FiNo
Search eBay for Sony SRS-XV900 →