Short answer: the Harman Kardon Luna for better sound quality, the Tronsmart Mirtune S100 for the lower price. The Harman Kardon Luna ranks #24 of 150 medium speakers, rated 4.0/5, at $290.99. The Tronsmart Mirtune S100 ranks #84, rated 3.1/5, at $79.99, $211 cheaper.
The case for the Harman Kardon Luna: Harman Kardon Luna uses 48mm x 90mm woofer, 20mm tweeter. Watch for: Bass is limited by its 57Hz specification.
The case for the Tronsmart Mirtune S100: At 1.36 kg, Tronsmart Mirtune S100 combines 20W drivers with Bluetooth. The catch: Bass is limited by its ~64Hz specification.
Buy the Harman Kardon Luna when sound quality outweighs the price for you, and the Tronsmart Mirtune S100 when the price outweighs sound quality instead.
If battery life is a priority, the Tronsmart Mirtune S100 is rated for 20 hours versus 12 hours for the Harman Kardon Luna.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Harman Kardon Luna | Tronsmart Mirtune S100 | |
|---|---|---|
| Price | $290.99 | $79.99 |
| Ranked | #24 of 150 in Medium Size Portable Bluetooth Speakers | #84 of 150 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | ~64Hz |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| EQ | No | Yes |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | Partially |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 2.5 lbs (1.13 kg) | 3 lbs (1.36 kg) |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 8.3” x 3.1” x 3.1” (210 x 78 x 80 mm) | 9.1” x 3.5” x 3.9” (231 x 88 x 100 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 20W drivers |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 40W | 50W |
| Digital Aux Input | No | No |
| Built-in Microphone | - | Yes |
| Wi-Fi | - | No |
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Prices on this page were last checked September 30, 2026 at 2:57 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
Harman Kardon Luna: $290.99 Amazon eBay
Newer model: the Harman Kardon Luna 2, ranked higher, rated 4.1/5.
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. The sound is fairly balanced apart from the boosted bass. Measured bass extension of 57Hz (-10dB).
Cons: Bass is limited by its 57Hz specification. There is no companion app. No EQ adjustment. Boosted bass, and less detailed than higher-ranked speakers.
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 | Yes |
| 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) |
- Links
- Reviews, Comparisons and Sound Samples
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Tronsmart Mirtune S100: $79.99 Tronsmart eBay
Pros: At 1.36 kg, Tronsmart Mirtune S100 combines 20W drivers with Bluetooth. Claimed 20 hours (manufacturer specified) battery life, ipx7 protection and limited-stereo playback make its feature set practical for its intended room or portable use. Measured bass extension of ~64Hz (-10dB).
Cons: Bass is limited by its ~64Hz specification. There is no companion app. No EQ adjustment.
Full Tronsmart Mirtune S100 review and specifications →
| Amplifier Power | 50W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~64Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.1” x 3.5” x 3.9” (231 x 88 x 100 mm) |
| Drivers | 20W drivers |
| EQ | Yes |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Partially |
| TWS | Yes |
| Weight | 3 lbs (1.36 kg) |
| Wi-Fi | No |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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