| Specification | Polk Audio 255c-RT | Acoustic Audio AA321B |
|---|---|---|
| General | ||
| Placement Type | In-wall | Table top |
| Waterprrof | ||
| Colors | Black | Black |
| Connection (wired/wireless) | Wired | Wired |
| Audio Performance | ||
| Power Output | 150 W | |
| Signal To Noise Ratio | 88dB | |
| Frequency Response, Hz | 30Hz - 27,000Hz | 150Hz-20000Hz |
| Crossover Frequency | ||
| Sensivity | 90dB | |
| Input Power | ||
| Artificial Intelligency | ||
| Alexa | ||
| Apple Air Play | ||
| Google Assitence | ||
| Features | ||
| App Control | ||
| Voice Control | ||
| Portable | ||
| Microphone | ||
| Battery | ||
| Battery Life (mah/h | ||
| Drivers | ||
| Driver 2 | 1 x Woofer | 1 x Woofer |
| Driver 1 | 1 x Tweeter | |
| Music Services | ||
| Spotify | ||
| Amazon Music | ||
| Wired Connectivity | ||
| Output | ||
| Input | 1 x Binding Post Pair | |
| Ethernet | ||
| Bluetooth | ||
| Wi-fi |