lImpedance: 8±15% Ω 

lSound Pressure Level: 85±3dB 

l(1Vrms, 10cm, @2kHz in 2cc box/on baffle) 

lRated Noise Power: 0.125W 

lMax. Short Term Power: 0.5W 

lF0 (in 2cc box): 740±15% Hz Motor Resonance frequency:157Hz