Short answer: the Devialet Mania on measured sound quality, the W-King D9 on price. The Devialet Mania ranks #52 of 115 large speakers, rated 3.6/5, at $899. The W-King D9 ranks #93, rated 2.5/5, at $89.98, $809.02 cheaper.
The Devialet Mania is the better-sounding pick. A compact, good looking Wi-Fi and Bluetooth stereo speaker with Alexa built in and splash resistance. The tradeoff: Not very loud.
The W-King D9 is the longer-running, tougher pick. A compact, punchy boombox with a very long rated battery, water resistance, and power bank output for casual outdoor use. It is rated for 40 hours of battery against 10 for the Devialet Mania. It is rated IPX6 against IPX4 for the Devialet Mania. The tradeoff: Treble rolls off early, limiting air and fine detail, while owner reports note Bluetooth interference and some noise at maximum speaker volume.
Buy the Devialet Mania if sound quality is the priority over the price, or the W-King D9 if the price is the priority over sound quality.
Looking for alternatives? See the complete Portable Bluetooth rankings.
A compact, good looking Wi-Fi and Bluetooth stereo speaker with Alexa built in and splash resistance.
A compact, punchy boombox with a very long rated battery, water resistance, and power bank output for casual outdoor use.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Devialet Mania | W-King D9 | |
|---|---|---|
| Price | $899.00 | $89.98 |
| Ranked | #52 of 115 in Large Size Portable Bluetooth Speakers | #93 of 115 in Large Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 47Hz | 47Hz |
| Battery Life | 10 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| IP Rating | IPX4 | IPX6 |
| Weight | 5.1 lbs (2.3 kg) | 4.4 lbs (2.0 kg) |
| Wi-Fi | Yes | - |
| App | No | No |
| Aux Input | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Voice Assistants | Amazon Alexa | - |
| EQ | No | No |
| Party Mode | No | No |
| Power Bank | No | Yes (USB-A) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| Bluetooth Version | 5.0 | 5.3 |
| Dimensions | 6.9” x 7.6” x 5.5” (176 x 193 x 139 mm) | 4.7” x 12.4” x 4.7” (120 x 315 x 120 mm) |
| Drivers | 4x aluminum fullrange drivers, 2x woofers | 2x 40mm drivers + passive radiators |
| Frequency Response | 30Hz - 20kHz (Manufacturer specified) | 80Hz - 16kHz (Manufacturer specified) |
| Amplifier Power | 176W | 60W RMS |
| Maximum SPL | 95dB (Manufacturer specified) | 106dB (measured by Alan Ross Reviews) |
| Digital Aux Input | No | No |
| Strap | No | No |
| MicroSD Playback | - | Yes |
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