Features:

• Planet Audio PL1600.4
• Class-A/B FullRange 2-Ohm Stable 4-Channel Amplifier
• RMS Power Rating:
• 4 ohms: 150 watts x 4 chan.
• 2 ohms: 300 watts x 4 chan.
• Bridged, 4 ohms: 400 watts x 2 chan.
• Total power output: 1600 watts
• Pulse Width Modulated MOSFET power supply
• Wired remote bass level control included
• LED power (green) and protect (red) indicators
• 4/3/2 channel operation
• Soft start turn-on
• Speaker-level (high-level) inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Black anodized heatsink
• Signal to Noise Ratio: 105 dB
• Frequency Response: 9Hz - 50kHz
• Fixed high-pass filter: 200Hz
• Variable low-pass filter: 35 Hz to 160 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Fuse Rating: 25 A x 2
• Dimensions: 7"W x 18.875"L x 2.26"H

Specifications:

• Amplifier Series: Pulse
• Marine Certified: No
• Amplifier Class: AB
• Number of Channels: 4
• Total Peak Power Output: 1600 watts
• Total RMS Power Output: 800 watts
• Maximum Input Gauge Size: Any Gauge with use of Spade Terminal AWG
• Minimum Impedance Unbridged: 2 ohms
• Minimum Impedance Bridged: 4 ohms
• Speaker Level Inputs: Yes
• Preamp Outputs: No
• Built-in Crossover: Low-Pass (LP), High-Pass (HP)
• Low-Pass Crossover Frequency: 35 - 160 Hz
• Signal-to-Noise Ratio: 105 dB
• Bass Boost: 0 - 18 dB
• Bass/Gain Remote: Yes
• Fan Cooled: No
• Fuse Rating: 25A x 2 
• Total Fuse Rating: 50
• Strappable: No
• CEA-2006 Compliant: No
• Amp Bluetooth Connectivity: No
• Hi-Res Certified: No