Description THUNDER Series speakers are designed to compliment any installation while delivering a full range sound experience for all types of music to get the most out of your music and hear it as the artist performed it. The THUNDER46 is a 4" x 6" 2-way coaxial speaker pair that can handle up to 40-watts RMS power. THUNDER speakers are set apart from the "other guys" because of its ability to reproduce low frequencies that other speakers cannot reproduce. Features • 4 x 6-inch 4Ω 2 Way Coaxial Speaker Pair • 40 Watt RMS Power Handling • Polypropylene Woofers • Soft Dome Tweeters • Concave Cone SPECIFICATIONS RMS Power (Watts): 40 Sensitivity: 92dB Frequency Response: 80Hz - 20kHz Cone Material: Polypropylene Grille Included: No Woofer Mounting Depth: 2.0" Crossover: NA Dimensions A - Speaker Long Side Length W/Bracket: 6.31" (160.32mm) A - Speaker Short Side Width W/Bracket: 4.11" (104.38mm) B - Speaker Long Side Mounting Length: 5.59" (142mm) B - Speaker Short Side Mounting Width: 3.58" (91mm) D - Speaker Mounting Depth: 2.00" (50.8mm)