| Answer | Crossword Clue |
|---|---|
| MOO | Low sound? |
| SUBTONE | Low sound |
| MOAN | Low sound |
| MOO | Low sound |
| PURR | Low sound |
| HUM | Low sound |
| HUM | Low, droning sound |
| CLONK | Low, dull sound |
| MURMUR | Low, continuous sound |
| MURMUR | Low-volume sound |
| SUBTONE | Low musical sound. |
| BONG | Low bell sound |
| PURR | Low murmuring sound. |
| UNDERTONED | Low in sound. |
| CLONK | Low, dull impact sound |
| MOAN | A low sad sound. |
| HIFI | Low-tech sound system |
| TOOTLE | Low running sound on a flute. |
| WOOF | Sound from a low-frequency speaker? |
