High Sensitivity 3" Midrange Speaker 
Harman/Kardon's Flow 3" midrange delivers flawless low-frequency extension down to 200Hz while maintaining high sensitivity over 91dB. 
FLOW 300S
3" (89mm) Midrange woofer for Premium Installation Applications 
Power Handling: 60Wrms, 180Wpeak 
Sensitivity (@ 2.83V ): 91dB 
Frequency Response: 200Hz–10kHz 
Impedance: 4ohms 
Gross weight: 0.75kg 
In the Box:
2x Speakers
2x Grilles
8x Screws
8x Speed clips
2x EVA foam gasket 1x OM