The TDK A33 ranks #131 out of 164 total Medium Size Portable Bluetooth Speakers for sound quality. See all Portable Bluetooth rankings for every top pick.
Prices on this page were last checked October 4, 2026 at 9:58 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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#131 TDK A33: $199 Discontinued eBay
Pros: TDK A33 uses 2x 1.5-inch full-range + 1x 2.5-inch subwoofer + 2x 3-inch passive radiators. Its 1270 g, claimed 6 hours (Manufacturer specified) battery life, IP64 protection, aux input and single-box playback make it a practical option for its intended room or portable use. Measured bass extension of ~72Hz (-10dB).
Cons: Bass is limited by its ~72Hz specification. There is no companion app. No EQ adjustment. Discontinued.
How it compares: Just above it: Tozo PA2 - $159 cheaper, 19 more hours of battery life. Just below it: B&O Beosound Explore - $96 more, 21 more hours of battery life.
| Amplifier Power | 15W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~72Hz |
| Battery Life | 6 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 2.1 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.5” x 3.7” x 2” (241 x 95 x 51 mm) |
| Drivers | 2x 1.5-inch full-range + 1x 2.5-inch subwoofer + 2x 3-inch passive radiators |
| EQ | No |
| IP Rating | IP64 |
| Omnidirectional | No |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | No |
| Weight | 2.8 lbs (1270 g) |
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
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