| Answer | Crossword Clue |
|---|---|
| WOOFERS | Low-frequency speakers |
| WOOFER | Low-frequency speaker |
| WOOFER | Low-frequency speaker device |
| LFO | Low-frequency oscillation (abbr.) |
| WOOFER | Low-frequency stereo component |
| ONCEINABLUEMOON | Low entry on a frequency chart |
| WOOF | Sound from a low-frequency speaker? |
