Kicker 11KS525 5.25" 2-way Car Audio Speakers (Pair) KS525 5.25" Car audio 2-way speakers (Pair) RMS Power Handling: 90 watts per pair / 45 watts each | PEAK Power Handling: 270 watts per pair / 135 watts each Frequency response: 45 - 21,000 Hz Top mounting depth: 2" | Bottom mounting depth: 2-1/4" Sensitivity: 90 dB