DS18 X4Ultra Compact Class D 4-Channel Car Amplifier 1400 Watts Max Micro amps are a great power solution for an audio enthusiast that doesn't have a lot of room to spare for big bulky amps. In this case, you want to maximize your size to power ratio so you can get as much power you can with as little space as possible. DS18 now has the our newest micro amp, the X4. The X4 is about as large as a cell phone and packs a whopping punch. This tiny amp pushes out 70w x 4 @ 4 ohms, 140w x 4 @ 2 ohms, and 220w x 2 @ 4 ohms bridged. Now you need to sacrifice very little space for multiple power options that can power most mids, highs, and tweeters. Highlights Small and compact amp putting out amazing power for its size. Perfect for vehicles with very little to no room to mount large amplifiers. Perfect for motorcycles looking to put an amp or two in their Ferring. Great For Motorcycle Audio Pro Audio Car Audio Marine Audio Powersports Audio Jeep Audio Technical Details X4 Product Manual Model X4 Rms Power @ 2 Ohms 140w x 4 CH Rms Power @ 4 Ohms 70w x 4 CH Rms Power @ 4 Ohms Bridge 220w x 2 CH Frequency Response 20Hz - 20KHz Signal/Noise Ratio >90db Selectable X-Over Lpf/Flat/Hpf Fixed Lpf Frequency 80Hz Low Lever Input Range 0.2-5v Input Configuration 2CH / 4CH LEDs Indicate Working Status Power/Protection Dimensions 140.8 L X 82.4 W X 34 H (Mm)