Flush-mount speaker, 10 W Dual cone for a full range reproduction Slimline design Fixed metal grille Suitable for indoor announcements and background music Impedance (Z): 4 Ω Operating voltage: - Frequency range: 120-12,000 Hz Resonant frequency (fs): - Rec. crossov. frequ. (fmax.) (12 dB/oct.): - Power rating: - Peak music power output: 20 W Sensitivity: 87 dB/W/m Max. rated SPL: - Max. voltage: - Radiation angle, horizontal: - Radiation angle, vertical: - Suspension compl. (Cms): - Moving mass (Mms): - Mech. Q factor (Qms): - Electr. Q factor (Qes): - Total Q factor (Qts): - Equivalent volume (Vas): - DC resistance (Re): - Force factor (BxL): - Voice coil induct. (Le): - Voice coil diameter: - Voice coil former: - Linear excursion (XMAX): - Eff. cone area (Sd): - Magnet weight: - Magnet diameter: - Mounting cutout: Ø 110 mm Mounting depth: 30 mm Mounting hole diameter: - Hole spacing X-axis: - Hole spacing Y-axis: - Dimensions: Ø 140 mm x 40 mm Outside diameter: Ø 140 mm Width: Ø 140 mm Height: - Depth: 40 mm Protective class: - Admiss. ambient temp.: - Weight: 300 g Sales unit: - Type of speaker: 130 Warranty: 3 years