Short answer: the Zealot S97. It ranks #46 of 77 large speakers by sound quality at $65.86; the W-King D9 ranks #65 and costs $71.24, so there is not much of a tradeoff to weigh.
What the Zealot S97 offers: There is nothing else for $48 with that deep of bass and a reasonable tuning Watch for: Doesn’t get very loud compared to other speakers in this class. Short battery life. Pretty heavy. Many say the S67 has deeper bass, but also gets more distorted
What the W-King D9 offers: 60W RMS output, 106dB max volume, exceptional 40-hour battery life, power bank function, IPX6 waterproof, MicroSD and AUX support, dual drivers with passive radiators, Bluetooth 5.3, USB-C charging, EQ button, shockproof design Watch for: Very rolled off treble.
Buy the Zealot S97. It ranks higher for sound quality than the W-King D9 and costs less, so there is no real case for the other one.
Skip the W-King D9 if sound quality matters to you. It ranks near the bottom of the 77 large speakers.
If battery life is a priority, the W-King D9 is rated for 40 hours versus 12 hours for the Zealot S97.
Specifications Side By Side
| Zealot S97 | W-King D9 | |
|---|---|---|
| Price | $65.86 with coupon YZZL10 | $71.24 |
| Ranked | #46 of 77 in Large Size Portable Bluetooth Speakers | #65 of 77 in Large Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Battery Life | 12 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| EQ | 3 EQ presets | No |
| IP Rating | IPX6 | IPX6 |
| MicroSD Playback | Yes | Yes |
| Party Mode | Yes (PartyAdd up to 100 speakers) | No |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | No | No |
| Weight | 7.3 lbs / 3.3 kg | 4.4 lbs / 2.0 kg |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| Power Bank | Yes (USB-A + USB-C) | Yes (USB-A) |
| Bluetooth Version | 5.2 | 5.3 |
| Dimensions | 12.6" x 7.3" x 5.9" (321 x 185 x 151 mm) | 4.7" x 12.4" x 4.7" (120 x 315 x 120 mm) |
| Output Power | 80W | 60W RMS |
| Drivers | 2x 76mm (3") woofers + 2x 38mm tweeters + 2x passive radiators | 2x 40mm drivers + passive radiators |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | 47Hz |
| Max Volume | - | 106dB |
| Frequency Response | - | 80Hz - 16kHz (Manufacturer specified) |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Soundcore Rave Neo vs LG Xboom Go PL7
- Soundcore Rave Neo vs Doss Extreme Boom
- W-King D8 vs Soundcore Rave Neo
- Tribit Stormbox vs Zealot S97
- W-King D9 vs LG Xboom Go PL7
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
Zealot S97: $65.86 with coupon YZZL10 Aliexpress eBay
Pros: There is nothing else for $48 with that deep of bass and a reasonable tuning
Cons: Doesn’t get very loud compared to other speakers in this class. Short battery life. Pretty heavy. Many say the S67 has deeper bass, but also gets more distorted
Full Zealot S97 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 12.6" x 7.3" x 5.9" (321 x 185 x 151 mm) |
| Drivers | 2x 76mm (3") woofers + 2x 38mm tweeters + 2x passive radiators |
| EQ | 3 EQ presets |
| IP Rating | IPX6 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 80W |
| Party Mode | Yes (PartyAdd up to 100 speakers) |
| Power Bank | Yes (USB-A + USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 7.3 lbs / 3.3 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
W-King D9: $71.24 Amazon eBay
Pros: 60W RMS output, 106dB max volume, exceptional 40-hour battery life, power bank function, IPX6 waterproof, MicroSD and AUX support, dual drivers with passive radiators, Bluetooth 5.3, USB-C charging, EQ button, shockproof design
Cons: Very rolled off treble.
Full W-King D9 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.7" x 12.4" x 4.7" (120 x 315 x 120 mm) |
| Drivers | 2x 40mm drivers + passive radiators |
| EQ | No |
| Frequency Response | 80Hz - 16kHz (Manufacturer specified) |
| IP Rating | IPX6 |
| Max Volume | 106dB |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 60W RMS |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 4.4 lbs / 2.0 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons