Bass-midrange speakers, 40WMAX, 8 ohm (/8) and 4 ohm (/4), especially suitable for miniature speaker systems and column speakers.
| Impedance (Z) | 8 ohm |
| Resonant frequency (fs) | 120Hz |
| Max. frequency range | f3-16,000Hz |
| Music power | 40WMAX |
| Power rating (P) | 20WRMS |
| SPL (1W/1m) | 88dB |
| Suspension compl. (Cms) | 1.1mm/N |
| Moving mass (Mms) | 1.6g |
| Mech. Q factor (Qms) | 2.82 |
| Electr. Q factor (Qes) | 0.68 |
| Total Q factor (Qts) | 0.55 |
| Equivalent volume (Vas) | 1.5 l |
| DC resistance (Re) | 6.5 ohm |
| Force factor (BxL) | 3.4Tm |
| Voice coil induct. (Le) | 0.15mH |
| Voice coil diameter | 19mm |
| Voice coil former | aluminium |
| Linear excursion (XMAX) | ±0.75mm |
| Eff. cone area (Sd) | 31cm2 |
| Magnet weight | 5.4oz. |
| Weight | 0.45kg |