JBL Boombox 3 Wifi vs W-King D20

Last updated: October 12, 2026

Short answer: the JBL Boombox 3 Wifi for better sound quality, the W-King D20 for the lower price. The JBL Boombox 3 Wifi ranks #26 of 98 boombox speakers, rated 3.8/5, at $389.95. The W-King D20 ranks #39, rated 3.6/5, at $193, $196.95 cheaper.

JBL Boombox 3 Wifi vs W-King D20

The case for the JBL Boombox 3 Wifi: Loudest speaker in the category. The catch: Bass boosted.

The case for the W-King D20: Comes with 2 wireless microphones. It has an adjustable EQ, which the JBL Boombox 3 Wifi lacks. The tradeoff: Rising frequency response but upper treble rolled off, 700Hz and 1.2kHz peaks.

Buy the JBL Boombox 3 Wifi if sound quality matters more than the price. Buy the W-King D20 if the price matters more than sound quality.

Looking for alternatives? See the complete Portable Bluetooth rankings.

Specifications Side By Side

JBL Boombox 3 Wifi W-King D20
Price$389.95$193
Ranked#26 of 98 in Boombox Size Portable Bluetooth Speakers#39 of 98 in Boombox Size Portable Bluetooth Speakers
Aux InputYesYes
Bass Extension (-10dB)43Hz~42Hz
Battery Life24 hours (Manufacturer specified)24 hours (Manufacturer specified)
IP RatingIP67IPX6
Maximum SPL111dB (measured by Alan Ross Reviews)112dB (measured by Alan Ross Reviews)
Party ModeNoNo
Power BankYes (USB-A, 5V/2A)Yes
Power InputAC Power cableUSB-C
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
Weight14.6 lbs (6.6 kg)14.3 lbs (6500 g)
Wi-FiYes-
BluetoothYesYes
Bluetooth CodecsSBCSBC
AppNoYes (W-King app)
EQNoYes (App + button modes)
USB PlaybackNoYes
Built-in MicrophoneNoNo
Amplifier Power200W AC / 140W battery200W
Dimensions19.1” x 10.1” x 7.9” (484 x 256 x 200 mm)19.9” x 8.5” x 10.6” (506 x 217 x 270 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters4.5” + 3.5” drivers + 1.2” tweeters
Digital Aux InputNoNo
Bluetooth Version5.35.3
StrapNo-
MicroSD Playback-Yes
Wireless Microphones-Yes

More top alternatives to JBL Boombox 3 Wifi:

Prices on this page were last checked October 12, 2026 at 4:13 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 Boombox 3 Wifi: $389.95 Amazon $389.95 eBay

JBL Boombox 3 Wifi ranking card

Newer model: the JBL Boombox 4, ranked higher, rated 4/5, released Jul 2025. It adds USB audio input, app control, adjustable EQ and party mode, but drops the aux input. Water resistance goes from IP67 to IP68. See every JBL Boombox generation.

Same family: the JBL Boombox 3 (smaller model, ranked lower, rated 3.8/5).

Pros: Loudest speaker in the category. Slightly better frequency response than the non-wifi version. Measured bass extension of 43Hz (-10dB).

Cons: Bass boosted. Dip at 160Hz

ReleasedMay 2023 (3 years ago)
Amplifier Power200W AC / 140W battery
AppNo
Aux InputYes
Bass Extension (-10dB)43Hz
Battery Life24 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.3
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions19.1” x 10.1” x 7.9” (484 x 256 x 200 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
EQNo
IP RatingIP67
Maximum SPL111dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeNo
Power BankYes (USB-A, 5V/2A)
Power InputAC Power cable
StereoYes
StrapNo
TWSYes
USB PlaybackNo
Weight14.6 lbs (6.6 kg)
Wi-FiYes

W-King D20: $193 AliExpress $193 eBay

W-King D20 ranking card

Pros: Comes with 2 wireless microphones. Measured bass extension of ~42Hz (-10dB).

Cons: Rising frequency response but upper treble rolled off, 700Hz and 1.2kHz peaks

ReleasedFeb 2024 (2 years ago)
Amplifier Power200W
AppYes (W-King app)
Aux InputYes
Bass Extension (-10dB)~42Hz
Battery Life24 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.3
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions19.9” x 8.5” x 10.6” (506 x 217 x 270 mm)
Drivers4.5” + 3.5” drivers + 1.2” tweeters
EQYes (App + button modes)
IP RatingIPX6
Maximum SPL112dB (measured by Alan Ross Reviews)
MicroSD PlaybackYes
OmnidirectionalNo
Party ModeNo
Power BankYes
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackYes
Weight14.3 lbs (6500 g)
Wireless MicrophonesYes