Diameter: 28 mm
Nominal Power input: 0.5 W
Depth: 5 mm
Impedance:  4 ohms
Resonance Frequency: 550 Hz
Frequency Range:  Fo - 8kHz
SPL: 90 db
Max Power Handling Capacity: 0.8W

Diameter: 28 mm
Nominal Power input: 2 W
Depth: 11 mm
Impedance:  4 Ohms
Resonance Frequency: 520 Hz
Frequency Range:  Fo - 15kHz
SPL: 85 db
Max Power Handling Capacity: 3 W

Diameter: 40x20 mm
Nominal Power input: 1 W
Depth: 8 mm
Impedance: 8 Ohms
Resonance Frequency: 700 Hz
Frequency Range: 700 -10 kHz
SPL: 89 dB
Max Power Handling Capacity: 2 W

Diameter: 57 mm
Nominal Power input: 0.25 W
Depth: 20 mm
Impedance: 3.2 Ohms
Resonance Frequency: 350 Hz
Frequency Range: 350-4.5 kHz
SPL: 87 dB
Max Power Handling Capacity: 0.5 W

Diameter: 57 mm
Nominal Power input: 0.25 W
Depth: 20
Impedance: 8 Ohms
Resonance Frequency: 350 Hz
Frequency Range: 350-4.5 kHz
SPL: 87 dB
Max Power Handling Capacity: 0.5 W

Diameter: 57 mm
Nominal Power input: 0.25 W
Depth: 20 mm
Impedance: 40 Ohms
Resonance Frequency: 350 Hz
Frequency Range: 350-4.5 kHz
SPL: 87 dB
Max Power Handling Capacity: 0.5 W

Diameter: 66 mm
Nominal Power input: 0.5 W
Depth: 17 mm
Impedance: 32 Ohms
Resonance Frequency: 350 Hz
Frequency Range: 350-5 kHz
SPL: 94 dB
Max Power Handling Capacity: 1 W