Compact transducer connects to any amplifier or other sound source, in the same manner as any conventional 4ohm speaker. Can be attached to any flat surface, transforming that surface into a virtual speaker.
Sound Exciters,flat speaker exciter 4ohm 12-20W

SPECIFICATION
1 SIZE: D50mm * H20mm
2 Nominal Impedance: 4Ω±15% at 1KHZ,1.0V (D.C.R=4.5Ω±10%)
3 Input Power Nom. Input 12W
Max. Input 18 W
4 Operation 4.90Volt (200Hz-20KHz) Sweep Time at 2s
5 Resomant FerQ. F0: 220 ± 20% HZ (F0 Meter)
6 Flux Density 11500GAUSS ± 10%
7 Insulation Resistance No Less than 1M at DC 100V
8
Polarity
When positive voltage is applied to the (+) Terminal, V oice
Coil should move out to of the Air gap.
9. Weight 90g ± 10% (Driver weight)
10 Power Test IEC 268-5 6.93V 48 Hours
11
Heat Resistance
Temperature: +60oC ± 2oC
Duration: 24 hours
12
Humidity Resistance
Temperature: + 40oC ± 2oC
Relative Humidity: 93(+2/-3)%
Duration: 48 Hours(GB)