Product information:

Model: RA15N251
Type: paper cone type (direct radiation)
Use: Amplify
Shape: round
Composition: single paper cone
Diaphragm material: non-paper
Magnetic circuit form: internal magnetic type
Frequency characteristics: full frequency band (full range)
Rated power: 500 (W)
Rated impedance: 8 (Ω)
Frequency Response: 45Hz-5(kHz)
Sensitivity: 98 (dB/W)
Sex-to-noise ratio: 97 (dB)
Harmonic Distortion: 1 (TMD%)

Packing list:

Neodymium Magnetic Woofer*1