Key Features 4 x 200W + 500W Sub @ 1 Ohm HPF (40–250Hz), LPF (50–150Hz), Input Selector Remote Subwoofer Level Control Included SPECS SKUCANDY-X5BTotal Watts (Peak)2000WRMS Power @ 4 Ohm120W x 4 + 220W (Sub)RMS Power @ 2 Ohm200W x 4 + 360W (Sub)RMS Power @ 1 Ohm500W (Sub)RMS Power @ 4 Ohm Bridge350W x 2 Audio Frequency Response20Hz~20KHz / 20Hz~250Hz (Sub)Signal to Noise Ratio70dBEfficiency @ 4ohm>75%Damping Factor26Input Impedance10K ohmChannel Separation50dBTotal Harmonic Distortion (THD)0.50%Low Level Input Range0.2~6VHigh Level InputYes, 2~10VSelectable X-OverFULL/HPF - Fixed LPF (Sub)X-Over Filter Range40Hz~250Hz / 50Hz~150Hz (Sub)Bass Boost Range6dB/12dBBass Boost Frequency50Hz Features Amplifier ClassDigitalAmplifier TypeStereo Full Range + SubwooferNumber of Channels5Minimum Impedance2 ohm St / 4 ohm Bridge + 1 ohm (Sub)Led IndicatorPower / ProtectionPower Input Terminal Size4GaFuse Size40A x 2Remote Level ControlYes / Remote Dash MountCooling FanNoVoltmeterNoThermal ProtectionYes (>180F)Over-Load ProtectionYesDC Output ProtectionNoShort Circuit Output ProtectionYesVoltage Input ProtectionYes (9-16v)Clipping ProtectionNoBody Color / FinishMatte Black Extra Features Hi-Level Input With Auto Turn-OnYesInput SelectorYes (4/5 Channels)Compact Size to easy Installation for Any ApplicationsYesSurface Mount Component TechnologyYesQuality Control Verification using Audio Precision InstrumentsYes Measurement Overall Length11" / 280mmOverall Width5.9" / 150mmOverall Height2.16" / 55mmHeatsink Length9.8" / 250mmGross Single Unit Weight2Kg Product Overview DS18 CANDY-X5B 5-Channel Full Range + Subwoofer Amplifier | 2000W Peak DS18’s CANDY-X5B is your all-in-one 5-channel amplifier built for massive power in a compact footprint. This amp drives your mids, highs, and subwoofer without eating up space. Small Size. Big PerformanceThe CANDY-X5B delivers 2000W peak power resulting in clean, efficient RMS output across all channels: 4 x 120W at 4Ω, 4 x 200W at 2Ω, and 4 x 140W at 4Ω bridged — plus a dedicated subwoofer channel pushing 1 x 210W at 4Ω, 1 x 360W at 2Ω, and 1 x 500W at 1Ω. Built-In Sub Channel with Full ControlA dedicated 500W subwoofer channel means you don’t need a separate mono amp. Selectable LPF, bass boost, and phase control let you dial in tight, deep bass just the way you like it. Runs Cool. Hits HardThanks to its Class D design and >75% efficiency at 4 ohms, this amp stays cool under pressure — perfect for custom installs in tight or hidden spaces. Plug In. Power Up. Ride OutOEM-ready with Hi-Level inputs and Auto Turn-On, the CANDY-X5B makes installation smooth. It also includes a remote bass knob, so you can adjust your sub levels on the fly. DS18 DurabilityProtected against heat, shorts, and voltage swings (9V–16V), this amp is built with Surface Mount Technology and tested for peak precision using Audio Precision gear. Upgrade to the CANDY-X5B and power your entire system!