Sony ULT Tower 9 Specifications and Review

Last updated: August 17, 2026

The Sony ULT Tower 9 ranks #8 out of 11 total Large Party Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: Sony

Prices on this page were last checked August 21, 2026 at 5:30 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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Sony ULT Tower 9 - ranked #8 of 11 Large Party Size Portable Bluetooth Speakers · Editor's rating 4.2/5
Check price at Amazon ($800) →

#8 Sony ULT Tower 9: $800 Amazon eBay

Pros: Slightly better sounding than the ULT Tower 10

Cons: Not as deep of bass and loses more bass at high volume even compared to the lower end Partybox speakers. Bass drops off a lot at higher volumes. Not quite as loud as the ULT Tower 10

Related speakers: Sony ULT Tower 10.

How it compares: Just above it: Teufel Rockster - 5 more hours of battery life. Just below it: Sony ULT Tower 10.

AppYes
Aux InputYes
Battery Life25 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Version5.3
Built in MicrophoneNo
Digital Aux InputNo
Dimensions16.1" x 35.8" x 18" (410 x 910 x 456 mm)
Drivers7 drivers: 1x 12.6"x12.6" woofer, 2x 4.7" midrange, 2x 2" tweeter, 2x 1.6" rear tweeter
EQYes (10 band)
Guitar InputYes
IP RatingNone
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Output Power148W
Party ModeYes (Auracast up to 100 speakers)
Power BankYes (USB-A, 5V/1.5A)
Power InputAC Power cord
Removable BatteryNo
StereoYes
TWSYes
USB PlaybackYes
Weight65.3 lbs / 29.6 kg
WifiNo
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