Sony ULT Field 7 Review: Ranked #56 of 91

Last updated: October 5, 2026

The Sony ULT Field 7 ranks #56 out of 91 total Boombox Size Portable Bluetooth Speakers for sound quality. See all Portable Bluetooth rankings for every top pick.

Brand: Sony

Prices on this page were last checked October 5, 2026 at 10:21 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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Sony ULT Field 7 - ranked #56 of 91 Boombox Size Portable Bluetooth Speakers · Editor's rating 3.2/5
Check price at Amazon ($400) →

#56 Sony ULT Field 7: $400 Amazon eBay

Older model: the Sony SRS-XG500 (ranked lower, rated 3/5).

Smaller model: the Sony ULT Field 1 (rated 3.1/5).

Larger model: the Sony ULT Tower 10 (rated 3.9/5).

Pros: Sony ULT Field 7 uses 2x 114mm x 114mm X-Balanced woofers + 2x 46mm (1.9”) tweeters. Its 6.3 kg, claimed 30 hours (Manufacturer specified) battery life, IP67 protection, aux input and stereo playback make it a practical option for its intended room or portable use. Measured bass extension of ~52Hz (-10dB).

Cons: Bass is limited by its ~52Hz specification. There is no companion app. A peak around 8kHz, and bass does not reach as deep as the top-ranked speakers.

Related speakers: Sony ULT Field 1, Sony ULT Field 3, Sony ULT Field 5.

How it compares: Just above it: Skullcandy Barrel - $243 cheaper, 18 fewer hours of battery life. Just below it: Bugani Boost Max - $160 cheaper, 15 fewer hours of battery life.

Amplifier Power100W
AppNo
Aux InputYes
Bass Extension (-10dB)~52Hz
Battery Life30 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Version5.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions20.2” x 8.8” x 8.7” (512 x 224 x 222 mm)
Drivers2x 114mm x 114mm X-Balanced woofers + 2x 46mm (1.9”) tweeters
EQYes (App + ULT button)
Guitar InputYes
IP RatingIP67
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Party ModeYes (Party Connect up to 100 speakers)
Power BankYes (USB-A, 5V/1.5A)
Power InputAC Power cord
StereoYes
StrapNo
TWSYes
USB PlaybackYes
Weight13.9 lbs (6.3 kg)
Check current price at Amazon ($400) →Search eBay for Sony ULT Field 7 →

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