16-PRX1000.1 - Memphis Monoblock 1000W RMS 2000W Max Power Reference Amplifier Compact aluminum chassis | Ultra bright LED accent lighting | Signal sense turn on Variable Bass Boost (0-12dB) centered at 45Hz | High level speaker inputs | Fully variable high & low pass crossovers Protection circuitry against overload, short circuit, thermak & reverse polarity with LED status lighting | Remote level bass boost | Removable magnetic "M" badge conceals top mount controls RMS 4 (Watts): 400 x 1 | RMS 2 (Watts): 700 x 1 | RMS 1 (Watts): 1000 x 1 Bridged Mono Power 4 (Watts): N/A | THD % (4): &lt;0.02 | Frequency Response: 20Hz - 180Hz | Dimensions (in): 10 x 7.4 x 2