Our Products Receiver MRJ0711 Shape size: 10.5 × 6.5 × h2.5 Specifications: Rated input : 10mw Max input : 30mw Frequency range : 300~3400Hz Impendance@1KHz : 32 ± 15%Ω SPL@1KHz(100mV) : 107 ± 3dB PDF Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back