JBL Partybox Encore 2 vs Sony ULT Field 7

Last updated: August 28, 2026

Short answer: the JBL Partybox Encore 2. It ranks #4 of 73 boombox speakers by sound quality at $330; the Sony ULT Field 7 ranks #40 and costs $400, which makes this an easy call rather than a real tradeoff.

What the JBL Partybox Encore 2 offers: Appears to have better off axis performance due to the move to dome tweeters over cone. A little less rolled off in the highs than the first Encore. Goes slightly deeper than the old Encore. Includes 2 wireless microphones. Better battery life than the first Encore. Watch for: Missing a little bit of upper bass.

What the Sony ULT Field 7 offers: Better sounding than the XG500 Watch for: Still not as deep bass as the top ranked speakers. 8khz peak

Buy the JBL Partybox Encore 2. It ranks higher for sound quality than the Sony ULT Field 7 and costs less, so the other one has nothing left to offer.

Battery life favors the Sony ULT Field 7: rated for 30 hours against 15 hours for the JBL Partybox Encore 2.

If water resistance matters to you, the Sony ULT Field 7 at IP67 (brief submersion) holds up far better than the JBL Partybox Encore 2 at IPX4 (splashing).

JBL Partybox Encore 2 vs Sony ULT Field 7

Specifications Side By Side

JBL Partybox Encore 2 Sony ULT Field 7
Price$330$400
Ranked#4 of 73 in Boombox Size Portable Bluetooth Speakers#40 of 73 in Boombox Size Portable Bluetooth Speakers
AppYes (JBL PartyBox app)No
Aux InputYesYes
Battery Life15 hours (Manufacturer specified)30 hours (Manufacturer specified)
Built in MicrophoneNoYes
EQYes (7 band App EQ)Yes (App + ULT button)
IP RatingIPX4IP67
Max Volume110dB-
Party ModeYes (Auracast)Yes (Party Connect up to 100 speakers)
Power BankYes (USB-C)Yes (USB-A, 5V/1.5A)
Power InputAC Power cordAC Power cord
Removable BatteryYes-
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
USB PlaybackYesYes
Weight14.1 lbs / 6.4 kg13.9 lbs / 6.3 kg
Wireless MicrophonesYes 2 Included-
Bluetooth CodecsSBCSBC, AAC, LDAC
Bluetooth Version5.45.2
Output Power100W RMS100W
Dimensions12.6" x 13.3" x 10.4" (319.5 x 338.6 x 263 mm)20.2" x 8.8" x 8.7" (512 x 224 x 222 mm)
Drivers1x 135mm (5.25") woofer + 2x 20mm (0.75") dome tweeters2x 114mm x 114mm X-Balanced woofers + 2x 46mm (1.9") tweeters
Digital Aux InputNoNo
Bass Extension (-10dB)-~52Hz
Guitar Input-Yes
Microphone Input-Yes (Karaoke mode with echo effect)

More useful head-to-heads from the same speaker class:

Prices on this page were last checked August 27, 2026 at 10:09 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

JBL Partybox Encore 2: $330 Samsclub eBay

JBL Partybox Encore 2 ranking card

Pros: Appears to have better off axis performance due to the move to dome tweeters over cone. A little less rolled off in the highs than the first Encore. Goes slightly deeper than the old Encore. Includes 2 wireless microphones. Better battery life than the first Encore.

Cons: Missing a little bit of upper bass.

AppYes (JBL PartyBox app)
Aux InputYes
Battery Life15 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.4
Built in MicrophoneNo
Digital Aux InputNo
Dimensions12.6" x 13.3" x 10.4" (319.5 x 338.6 x 263 mm)
Drivers1x 135mm (5.25") woofer + 2x 20mm (0.75") dome tweeters
EQYes (7 band App EQ)
IP RatingIPX4
Max Volume110dB
OmnidirectionalNo
Output Power100W RMS
Party ModeYes (Auracast)
Power BankYes (USB-C)
Power InputAC Power cord
Removable BatteryYes
StereoYes
TWSYes
USB PlaybackYes
Weight14.1 lbs / 6.4 kg
Wireless MicrophonesYes 2 Included

Sony ULT Field 7: $400 Amazon eBay

Sony ULT Field 7 ranking card

Pros: Better sounding than the XG500

Cons: Still not as deep bass as the top ranked speakers. 8khz peak

AppNo
Aux InputYes
Bass Extension (-10dB)~52Hz
Battery Life30 hours (Manufacturer specified)
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
Output Power100W
Party ModeYes (Party Connect up to 100 speakers)
Power BankYes (USB-A, 5V/1.5A)
Power InputAC Power cord
StereoYes
TWSYes
USB PlaybackYes
Weight13.9 lbs / 6.3 kg