Short answer: the Harman Kardon Luna if sound quality matters most, the Walla Sound if price matters most. The Harman Kardon Luna ranks #24 of 142 medium speakers at $290.99. The Walla Sound ranks #129 at $49.99, $241 cheaper.
What the Harman Kardon Luna offers: Harman Kardon Luna uses 48mm x 90mm woofer, 20mm tweeter. Its 1.13 kg, claimed 12 hours (Manufacturer specified) battery life, IP67 protection and mono playback make it a practical option for its intended room or portable use. Watch for: Bass is limited by its 57Hz specification. There is no companion app. No EQ adjustment.
What the Walla Sound offers: IPX5 water resistant, 8-hour battery life, shockproof construction, Bluetooth 5.0, MicroSD card support, AUX input, built-in HD microphone, voice assistant compatible, lightweight 300g Watch for: No bass, gets distorted when turned up. Harsh upper mids.
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the Walla Sound if the price matters more than sound quality.
If sound quality matters at all to you, skip the Walla Sound. It ranks near the bottom of the 142 medium speakers, so look higher up the list instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Harman Kardon Luna | Walla Sound | |
|---|---|---|
| Price | $290.99 | $49.99 |
| Ranked | #24 of 142 in Medium Size Portable Bluetooth Speakers | #129 of 142 in Medium Size Portable Bluetooth Speakers |
| App | No | - |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | ~90Hz |
| Battery Life | 12 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| EQ | No | - |
| IP Rating | IP67 | IPX5 |
| MicroSD Playback | No | Yes |
| Power Input | USB-C | Micro USB |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 2.5 lbs (1.13 kg) | 0.7 lbs (300 g) |
| Bluetooth Version | 5.3 | 5.0 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 2.7" x 2.7" x 6.3" (68 x 68 x 160 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 30mm metal diaphragm driver |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 40W | - |
| Digital Aux Input | No | No |
| Built-in Microphone | - | Yes |
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How Harman Kardon Luna compares with other leading options:
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Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Harman Kardon Luna: $290.99 Amazon eBay
Pros: Harman Kardon Luna uses 48mm x 90mm woofer, 20mm tweeter. Its 1.13 kg, claimed 12 hours (Manufacturer specified) battery life, IP67 protection and mono playback make it a practical option for its intended room or portable use. Measured bass extension of 57Hz (-10dB).
Cons: Bass is limited by its 57Hz specification. There is no companion app. No EQ adjustment.
Full Harman Kardon Luna review and specifications →
| Amplifier Power | 40W |
|---|---|
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 57Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| MicroSD Playback | No |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 2.5 lbs (1.13 kg) |
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Walla Sound: $49.99 Walla Sound eBay
Pros: IPX5 water resistant, 8-hour battery life, shockproof construction, Bluetooth 5.0, MicroSD card support, AUX input, built-in HD microphone, voice assistant compatible, lightweight 300g. Measured bass extension of ~90Hz (-10dB).
Cons: No bass, gets distorted when turned up. Harsh upper mids.
Full Walla Sound review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | ~90Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 2.7" x 2.7" x 6.3" (68 x 68 x 160 mm) |
| Drivers | 30mm metal diaphragm driver |
| IP Rating | IPX5 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Power Input | Micro USB |
| TWS | Yes |
| Weight | 0.7 lbs (300 g) |
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