Boss Audio 4in 3-Way In Door / Out Door 200 Watts Box-Speaker Black. Features/Specifications: Swivel brackets Total Power: 200 Watts Frequency Response: 80 Hz to 18 Hz SPL: 85 dB Number of Tweeters: 2 Midrange: Size: 4in Tweeter 1: Size: 1in Tweeter 2: Size: 1in Specifications for Boss Audio 4in 3-Way In Door / Out Door 200 Watts Box-Speaker: Manufacturer: Boss Audio Additional Features: 200 Watts Features of Boss Audio 4in 3-Way In Door / Out Door 200 Watts Box-Speaker: Swivel brackets Total Power: 200 Watts Frequency Response: 80 Hz to 18 Hz SPL: 85 dB Number of Tweeters: 2 Midrange: Size: 4in Tweeter 1: Size: 1in Tweeter 2: Size: 1in Package Contents: Boss Audio 4in 3-Way In Door / Out Door 200 Watts Box-Speaker Boss Audio MR43B: 4in 3-Way In Door / Out Door 200 Watts Box-Speaker Black