PowerBass Monoblock PowerSport Amplifier - XL355DM
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XL-355DM Monoblock PowerSport Amplifier

  • 350 Watt High Efficiency Class D Design
  • 2-OHM Stable Mono Block Amplifier
  • Ultra Low Current Draw
  • Double Sided Copper Plated PCB
  • Conformal Coated PC Board
  • PWM MOSFET Power Supply
  • Digital Sound Optimization Circuitry
  • High Damping Control Circuit
  • Variable Subsonic Filter
  • High Current Voltage Ripple Rejection Circuitry
  • 3.5mm AUX Input
  • Remote Soft Delay Turn On/Off Circuit 
  • Variable Low Pass Electronic Crossover
  • Variable 12dB Bass Boost EQ
  • Variable Gain Control
  • Wired Secondary Remote Gain Control Included
  • Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output.


The XL series was developed for the growing Power Sports market including UTV and Marine applications, where electronics must withstand harsh damp environments. The circuit boards have been conformal coated with a layer of transparent material that protects the parts against moisture, dust and extreme temperatures.

These ultra small weather resistant amplifiers are ideal for all types of outdoor audio applications such as motorcycles, golf carts and off road vehicles. But the small size also makes these amps a great choice anywhere space is a premium.

Utilizing the latest Class D circuit design these amplifiers may be small on size but they are big on power and have a much lower current draw compared to other amplifiers with similar power output. The wrap around aluminum heatsink keeps everything running cool.

Extremely versatile, each model gives you’re a choice of low level RCA input or 3.5mm (1/8”) mini-pug Aux Input. The Aux Input allows for easy connection of portable devices such as an iPod, MP3 player or smartphone to become your source unit.

Selectable Subwoofer EQ0 - 18 dB Gain @ 45Hz
Variable Subsonic Freq10 Hz - 50 Hz
InputsRCA (speaker level compatible)/3.5mm Mini Jack Input
Equalization Boost/Cut0 - 18 dB
Subwoofer Frequency Range10 Hz - 250 Hz
Power SupplyUnregulated PWM
4-ohm Mono Power200 watts x 1
4-ohm Power200 watts x 1
1-ohm Mono Powern/a
2-ohm Power350 watts x 1
Subwoofer EQ Frequency45 Hz
Variable Subwoofer EQ0 - 18 dB
Low-Pass Crossover Freq50 Hz - 250 Hz
High-Pass Crossover FreqN/A
Peak Power700 watts
Crossover Slope24 dB
Dimensions (in Inches)7.5" x 4.5" x 1.6"
Input Sensitivity0.25 V - 10.0 V
S/N Ratio>85 dB
Total Harmonic Distortion0.04% at Rated Power
Strapped Output Power @ 2ohmsN/A
Output Power (14.4 V) @ 4 ohm200 watts x 1
Output Power (14.4 V) @ 2 ohm350 watts x 1
Output Power (14.4 V) @ 1 ohmN/A
Channels (mono)1
Frequency Response10 Hz - 300 Hz

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