About: DS18 H-KO340 Hooligan KO Full Range 4-Channel Amplifier - 300W RMS x 4 

DS18’s H-KO340 is a high quality, high performance, and HIGH POWERED 4-Channel Full-Range Class D Competition Amplifier. This Korean-made powerhouse is built to be beefier, more efficient, and even more durable for competition-level performance. DS18’s H-KO340 is designed to deliver MASSIVE POWER: with RMS ratings of 4 x 300W at 4 ohms, 4 x 550W at 2 ohms, and 2 x 1000W at 4 ohms bridged. This amplifier is so powerful, we’ve equipped it with a range of protection circuits including thermal, over-load, DC, short circuit, voltage, and clipping. The LED indicators provide a clear visual representation of the amplifier's working status, protecting you and your vehicle from damage.

The Tiffany RCA connectors ensure a secure and reliable connection for optimal audio performance. Strap mode connection and included remote bass knob offers convenient control over your audio system. You can easily adjust the bass levels on-the-fly, allowing you to fine-tune your sound to perfection. The selectable X-Over allows for HPF, LPF, and band-pass filtering, ensuring precise sound shaping and FULL RANGE CONTROL. The Korean high efficiency digital circuit design delivers clean power with minimal distortion (<0.2% THD) making things easier on your charging system and guaranteeing longevity. Enjoy music the way it was meant to be heard with DS18’s H-KO340!

Products Highlights: 

• 4 Channel Stereo Full Range
• Class D
• 2 ~ 4 Ohm Stable
• 4 X 300 Watts @ 4 Ohm
• Power ~ Clip ~ Protect Indicators
• Made In Korea ~ Bass Knob

Specifications:

• RMS Power @ 4 ohm: 4 x 300W
• RMS Power @ 2 ohm: 4 x 550W
• RMS Power @ 1 ohm: N/A
• RMS Power @ 0.5 ohm: N/A
• RMS Power @ 4 ohm Bridge: 2 x 1000W
• Frequency Response: 13Hz-20KHz
• Signal to Noise Ratio: >90dB
• Efficiency @ 4ohm: 90%
• Damping Factor: 100
• Total Harmonic Distortion (THD): <0.2%
• Low Level input Range: 0.2-8V
• Selectable X-Over: HPF/LPF/BAND-PASS
• X-Over Filter Range: HPF: 20Hz-8KHz / LPF: 50Hz-8KHz (1X/10X)
• Bass Boost Range: No
• Bass Boost Frequency: N/A
• Infrasonic Filter: No
• Phase: No

Features:

• Amplifier Class: Digital (D)
• Amplifier Type: Stereo Full-Range
• Number of Channels: 4
• Minimum Impedance: 2 ohm/Ch (4 ohm Bridge)
• Led Indicator: Power / Protect / Clip
• Power Input Terminal Size: 1/0Ga
• Fuse Size: 200A
• Remote Level Control: Yes (Metal Case)
• Cooling Fan: No
• Voltmeter: No
• Thermal Protection: Yes
• Over-Load Protection: Yes
• DC Output Protection: Yes
• Short Circuit Output Protection: Yes
• Voltage Input Protection: Yes
• Clipping Protection: Yes
• Body Color / Finish: Red or Black 
• X-Over Frequency Multiplier: Yes
• Input Mode Selectable: Yes
• LED Clipping indicator: Yes
• Professional Tiffany RCA Connectors: Yes
• Remote Level Knob with Clip indicator: Yes
• Linkable (Strap mode) Amplifier: No
• Reliable Heavy Duty Korean Board Design
• Very High Efficiency Digital Circuit Design

Measurements: 

• Overall Length (with end plate): 14.5" (370 mm)
• Overall Wide: 9.68" (249 mm)
• Overall Height (with end plate): 2.85" (72.5 mm)
• Heatsink Length: 13.3" (340 mm)