The Toniebox is fitted with what is known as a full-range loudspeaker (link to Wikipedia).It is efficient and has a balanced frequency response and a clear high-range playback. The rated and music power are 3 and 5 watts respectively.
The speaker’s other technical specifications are as follows
| Rated/music power | 3 W / 5 W |
| Impedance | 4 ohms |
| Frequency range (– 10 dB) | 180–15KHz |
| Average sound pressure level | 80 ± 3 dB (1 W/1 m) |
| Resonance frequency | 220 ± 20% Hz |