Short answer: the JBL Boombox 3 Wifi for the higher ranking, the W-King X20 for the lower price. The JBL Boombox 3 Wifi ranks #20 of 70 boombox speakers at $389.95. The W-King X20 ranks #28 at $249.99, $139.96 cheaper.
What the JBL Boombox 3 Wifi gets right: Loudest speaker in the category. Set against that: Bass boosted.
On the W-King X20 side: 200W RMS output with 330W peak power, 112dB max volume, exceptional 24-hour battery life with power bank, IPX6 waterproof. Set against that: Rising frequency response but upper treble rolled off, 700hz and 1.2khz peaks.
Buy the JBL Boombox 3 Wifi if the ranking matters more than the price. Buy the W-King X20 if the price matters more than the ranking.
Specifications Side By Side
| JBL Boombox 3 Wifi | W-King X20 | |
|---|---|---|
| Price | $389.95 | $249.99 after coupon |
| Ranked | #20 of 70 in Boombox Size Portable Bluetooth Speakers | #28 of 70 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 43Hz | ~42Hz |
| Battery Life | 24 hours (Manufacturer specified) | - |
| IP Rating | IP67 | IPX6 |
| Max Volume | 111dB | 112dB |
| Party Mode | No | No |
| Power Bank | Yes | Yes |
| Power Input | AC Power cable | USB-C |
| Stereo | Yes | Yes |
| TWS | Yes | Yes |
| Weight | 14.6 lbs / 6.6 kg | 15.9 lbs / 7200 g |
| Wifi | Yes | - |
| Bluetooth Codecs | SBC | SBC |
| App | No | Yes (W-King app) |
| EQ | No | Yes (App + button modes) |
| USB Playback | No | Yes |
| Built in Microphone | No | No |
| Output Power | 200W AC / 140W battery | 330W peak / 200W RMS |
| Dimensions | 484mm x 256mm x 200mm | 50.6cm x 21.7cm x 27cm |
| Drivers | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters | 7.5" subwoofer + drivers |
| MicroSD Playback | - | Yes |
The Two Speakers In Full
JBL Boombox 3 Wifi: $389.95 Amazon
Pros: Loudest speaker in the category. Slightly better frequency response than the non-wifi version.
Cons: Bass boosted. Dip at 160hz
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 43Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | No |
| Dimensions | 484mm x 256mm x 200mm |
| Drivers | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters |
| EQ | No |
| IP Rating | IP67 |
| Max Volume | 111dB |
| Output Power | 200W AC / 140W battery |
| Party Mode | No |
| Power Bank | Yes |
| Power Input | AC Power cable |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 14.6 lbs / 6.6 kg |
| Wifi | Yes |
- Reviews, Comparisons and Sound Samples
- Dominik Reviews: JBL Partybox Encore 2 vs JBL Boombox 3 WiFi - Sound Test - Wide vs Narrow Soundstage!
- Mateusz Cholewa: JBL Encore 2 Partybox Deep Bass ๐ Jbl Boombox 3 WiFi ๐ถ
- Alan Ross Reviews: Not quite! JBL Authentics 300 review and sound test vs Boombox 3, Encore and Stormbox Blast
- Alan Ross Reviews: WiFi Edition: JBL Boombox 3 ultimate review! vs Boombox 3 Bluetooth edition
- Mateusz Cholewa: Soundcore Rave 3๐ง ๐ Jbl Boombox 3 WiFi
- Head-to-Head Comparisons
- JBL Boombox 3 Wifi vs Tribit Stormbox Blast 2
- JBL Boombox 3 Wifi vs JBL Boombox 4
- JBL Boombox 3 Wifi vs Zealot S95
- JBL Boombox 3 Wifi vs Zealot ZE41
- JBL Boombox 3 Wifi vs JBL Partybox Encore Essential 2
- JBL Boombox 3 Wifi vs JBL Partybox Encore 2
- JBL Boombox 3 Wifi vs Harman Kardon Go + Play 3
- JBL Boombox 3 Wifi vs Tribit Stormbox Blast
- See all 12 comparisons
- Links
W-King X20: $249.99 after coupon Amazon
Pros: 200W RMS output with 330W peak power, 112dB max volume, exceptional 24-hour battery life with power bank, IPX6 waterproof, EQ with app control and button modes, 7.5-inch subwoofer, Bluetooth 5.3, dual pairing, MicroSD and USB playback, AUX input, TWS stereo mode with 240W combined
Cons: Rising frequency response but upper treble rolled off, 700hz and 1.2khz peaks
| App | Yes (W-King app) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~42Hz |
| Bluetooth Codecs | SBC |
| Built in Microphone | No |
| Dimensions | 50.6cm x 21.7cm x 27cm |
| Drivers | 7.5" subwoofer + drivers |
| EQ | Yes (App + button modes) |
| IP Rating | IPX6 |
| Max Volume | 112dB |
| MicroSD Playback | Yes |
| Output Power | 330W peak / 200W RMS |
| Party Mode | No |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 15.9 lbs / 7200 g |
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Soundcore Boom 2 Plus Review - worst boombox speaker under $400?
- Alan Ross Reviews: pound for pound battle! WKing X20 D20 vs Stormbox Blast! OMG its a shocker!
- Alan Ross Reviews: W-King X20 JBL Boombox 3 killer! this should be illegal! - I was shocked!
- Jagist reviews: W-king X20 Vs Jbl Encore!!! ๐๐๐
- Jagist reviews: W-king X20 Vs Skullcandy Barrel XT!!! ๐ค๐
- Mateusz Cholewa: Soundcore RAVE 3 ๐คv๐s W- KING X20๐ถ
- Jayโs Straight Up Reviews & More: New! W-King X20 vs JBL Boombox 3 ๐ Head to Head ๐Battery Powered ๐Custom EQ - Links In Description
- Jayโs Straight Up Reviews & More: W-King X20 vs Tribit Stormbox Blast ๐ฟ Garage Battle of Boombox Speakers ๐ปCustom & Standard EQโs
- Jagist reviews: LG xboom Stage 301 Vs W-king X20!!!
- Techder Audios: W-king X20 VS Zealot S95 DEEP BASS VS DEEPER & LOUDER BASS?!
- Jagist reviews: LG xboom Stage 301 Vs W-king X20!!!
- Jagist reviews: W-king X20 Vs Gemini GRV-650L!!! ๐๐๐
- Jagist reviews: Bugani Boost Max Vs W-king X20!!! ๐๐๐
- Jayโs Straight Up Reviews & More: W-King X20 vs Zealot S78 Bluetooth Boombox Battle Outdoor Tailgater Special ๐ Let the Whoopinโ Begin
- Head-to-Head Comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.

