These sit in different size classes, so this is not a straight ranking comparison. The Onn Medium Party Speaker Gen 2 ranks #46 of 76 boombox speakers by sound quality at $90; the W-King T9 Pro ranks #27 of 40 party speakers by sound quality at $171.49.
The case for the Onn Medium Party Speaker Gen 2: Under $100 with LED lights synced to music. Watch for: Lacking detail compared to the Onn Large Party Gen 2 and not as deep of bass.
The case for the W-King T9 Pro: A feature-rich rolling party speaker with dual 6.5-inch woofers, removable battery, TWS pairing, bass presets and music-synced lighting. The tradeoff: Reviewer comparisons describe the tuning as warm and gritty rather than clean or detailed.
Buy the Onn Medium Party Speaker Gen 2 at $90 for a boombox speaker, or the W-King T9 Pro at $171.49 for a party speaker instead.
There is a real battery-life gap here: the Onn Medium Party Speaker Gen 2 is rated for 20 hours, the W-King T9 Pro only 12 hours.
If water resistance matters to you, the Onn Medium Party Speaker Gen 2 at IPX7 (brief submersion) holds up far better than the W-King T9 Pro at no water resistance.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Onn Medium Party Speaker Gen 2 | W-King T9 Pro | |
|---|---|---|
| Price | $90 | $171.49 |
| Ranked | #46 of 76 in Boombox Size Portable Bluetooth Speakers | #27 of 40 in Party Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 20 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| FM Tuner | Yes (16 presets) | - |
| IP Rating | IPX7 | None |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Party Sync Mode) | No |
| Power Bank | Yes (USB-A, 5V/2.1A) | No |
| Power Input | AC Power cord | USB-C |
| Stereo | No | Yes |
| Omnidirectional | No | No |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | No |
| TWS | Yes | No |
| USB Playback | No | Yes |
| Built-in Microphone | No | - |
| Amplifier Power | 50W RMS / 200W peak | 250W (peak) |
| Dimensions | 9.6” x 10.9” x 15.1” (244.1 x 277.9 x 383 mm) | 10.8” x 10.1” x 21.1” (274 x 255.7 x 535.5 mm) |
| Weight | 11 lbs (5 kg) | 20 lbs (9.05 kg) |
| Drivers | 8” (203mm) woofer + tweeters | 2x 6.5” woofers, 2x 2.5” tweeters |
| Digital Aux Input | No | No |
| Lights | Yes | Yes |
| Bluetooth Version | - | 5.3 |
| Charging Time | - | 4 hours |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Wheels | - | Yes |
Related Speaker Comparisons
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- JBL Partybox Encore 2 vs Onn Medium Party Speaker Gen 2
- JBL Partybox Encore Essential 2 vs Onn Medium Party Speaker Gen 2
- Onn Medium Party Speaker Gen 2 vs JBL Partybox Encore
- JBL Partybox Encore Essential vs Onn Medium Party Speaker Gen 2
Prices on this page were last checked September 26, 2026 at 11:14 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
Onn Medium Party Speaker Gen 2: $90 Walmart eBay
Pros: Under $100 with LED lights synced to music. Simple controls, solid Bluetooth range. Mic input for karaoke/emcee. Built-in FM radio with 16 presets. Aux port.
Cons: Lacking detail compared to the Onn Large Party Gen 2 and not as deep of bass. Only available in the United States and Canada.
Full Onn Medium Party Speaker Gen 2 review and specifications →
| Amplifier Power | 50W RMS / 200W peak |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 9.6” x 10.9” x 15.1” (244.1 x 277.9 x 383 mm) |
| Drivers | 8” (203mm) woofer + tweeters |
| EQ | No |
| FM Tuner | Yes (16 presets) |
| IP Rating | IPX7 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Stereo | No |
| TWS | Yes |
| USB Playback | No |
| Weight | 11 lbs (5 kg) |
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen 2 vs Medium Party Speaker Gen 2 🤜🤛A Family Feud🔌Plugged In Bass Boost On More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: Skullcandy Barrel XT vs ONN Medium Party Speaker Gen. 2 😬(Both Bass Boost On🔉) The Price is Right?🤑
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- See all 52 comparisons
W-King T9 Pro: $171.49 AliExpress eBay
Pros: A feature-rich rolling party speaker with dual 6.5-inch woofers, removable battery, TWS pairing, bass presets and music-synced lighting. The swappable battery is especially useful for long events, and its strong output gives it much more headroom than compact Bluetooth speakers.
Cons: Reviewer comparisons describe the tuning as warm and gritty rather than clean or detailed. Its claimed output figures should not be mistaken for neutral sound quality, and a large cabinet with no stated water rating is a poor fit for wet outdoor use.
Full W-King T9 Pro review and specifications →
| Amplifier Power | 250W (peak) |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Charging Time | 4 hours |
| Digital Aux Input | No |
| Dimensions | 10.8” x 10.1” x 21.1” (274 x 255.7 x 535.5 mm) |
| Drivers | 2x 6.5” woofers, 2x 2.5” tweeters |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| USB Playback | Yes |
| Weight | 20 lbs (9.05 kg) |
| Wheels | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons