make sure you have room in your travel trunk/saddlebag for the amplifier. 

S9600.4D - 4-Channel Digital Amplifier 150W x4 @ 2, 4 and 1 Ohm RMS Power

Features:

• Latest High-Efficiency Full Range Digital Topology
• Surface Mount Component Technology with 4-Layer PCB
• Common Compact Size with Single-Sided Connections and Top    Mount Controls
• Handles HI and LO level input up to 12V
• Switched Speaker Level Turn On Option (VOX/DC Offset/REM)
• Input configuration switch on 4 and 5 channel amplifiers
• Fully Variable 35Hz - 350Hz 12dB per Octave Crossovers
• Lighted LED logo
• ModelS9600.4DRMS Power (4Ω)140 W x 4RMS Bridge (mono 1Ω)N/ARMS Bridge (mono 2Ω)N/ARMS Bridge (mono 4Ω)400 W x 2 (4 Ω ONLY)TypesFull Range, Class DPower SupplyFull PWMPower Supply (Threshold)10.0DVC – 17.0DVCIdle Current(0.7A)Distortion - THD (1KHz@4Ω)0.07%Distortion - S/N Ratio (A weight @ 1W)-77.4dBADistortion - S/N Ratio (A weight @ FP)-97.4dBAInput Sensitivity - Hi/Low Input LevelYES – UP to 25 W RMS / 0.2mV – 10.0VInput Impedance - Low Input Level22 KΩOutput Impedance0.047 ΩDamping Factor (50Hz@4Ω)>250Bandwidth (-3dB)10Hz-35KHzCrossover (-12 dB/ Oct) Variable High-Pass35Hz-350HzCrossover (-12 dB/ Oct) Variable Low-Pass35Hz-350HzCrossover (-12 dB/ Oct) Variable Sub-SonicN/AFUSE Ratings - ATC2 x 30ADimension - Length x Width x Height - Inches(mm)11.81 x 7.25 x 2.0 ( 299.9 x 184.2 x 50.8)