About: Skar Audio SA-50.4D 4-Channel Car Amplifier - 100W RMS x 4

The Skar Audio SA-50.4D is a versatile high-performance four-channel amplifier, designed to elevate your audio experience with precision and power. Delivering a total of 400 watts RMS power, this Class D amplifier provides 60 watts x 4 channels at 4 ohms, 100 watts x 4 channels at 2 ohms, and an impressive 110 watts x 2 channels when bridged at 4 ohms. Its compact and efficient design makes it an excellent choice for those seeking reliability and dynamic sound reproduction.

With a wide frequency response range from 10Hz to 25kHz, the SA-50.4D ensures clear and detailed audio across the spectrum. It includes adjustable high-pass and low-pass filters for tailored sound performance and minimal distortion. The amplifier's 30A fuse rating and 4 AWG power/ground input size underscore its robust build and safety features.

The SA-50.4D incorporates user-friendly controls for gain and crossover frequency adjustments, supporting HPF, LPF, and FULL modes for optimal customization. Intuitive features such as RCA preouts, high-level inputs, and auto remote turn-on functionality make integration into your sound system seamless. The included LED status indicator provides clear operational feedback, with blue indicating proper function and red signaling protection mode.

Compact in size, this amplifier is easy to install and includes a removable terminal design that streamlines installation and maintenance, making it a practical choice for any setup. Whether you're upgrading your car's sound system or building a high-performance setup, the SA-50.4D delivers power, precision, and flexibility to exceed expectations.

Specifications: 

• Type: Multichannel Car Amplifier
• Class: D
• Bridgeable: Yes
• Strappable: No
• Fuse Rating: 30 Amp
• MOSFET Type: High Speed MOSFET Power Supply
• Amplifier Width: 5.20"
• Bass EQ (Boost): No
• Output Channels: 4
• RCA Line Output: Yes
• Turn-On Circuit: Soft Turn-on Circuit
• Working Voltage: 8.5V - 16V
• Amplifier Height: 2.12"
• Amplifier Length: 8.85"
• Tri-Mode Capable: Yes
• Frequency Response: 10Hz - 25kHz
• Built-in Crossovers: HPF / Full-Range / LPF
• RMS Power at 2 Ohms: 100 Watts x 4 Channels (14.4v)
• RMS Power at 4 Ohms: 60 Watts x 4 Channels (14.4v)
• Protection Built-in?: Yes - 4-Way (Thermal‚Voltage‚Speaker‚DC)
• Power & Ground Inputs: 4 Gauge
• Low Pass Filter (Variable): 50Hz - 250Hz
• High Pass Filter (Variable): 50Hz - 25kHz
• Power & Protection Indicators: Yes - LED Indicators
• RMS Power at 4 Ohms (Bridged): 110 Watts x 2 Channels (14.4v)
• Remote Bass Knob & Cable Included: No

Channel 1/2 Crossovers: 

• Crossover Type (Switchable): High-Pass Filter / Full-Range / Low-Pass Filter

Real World Amplifier Dyno Test Results

• Dynamic (Peak) Power at 2 Ohms: 135 Watts x 4 Channels (14.4v)
• Dynamic (Peak) Power at 4 Ohms: 76 Watts x 4 Channels (14.4v)
• Certified (RMS) Power at 2 Ohms: 101 Watts x 4 Channels (14.56v)
• Certified (RMS) Power at 4 Ohms: 61 Watts x 4 Channels (14.54v)