"Kicker ZX300.1 is the perfect car stereo amplifier for those who are fond of bass. This amplifier is designed with high-end amplification to set standards for a powerful sound and a unique look would make your amplifier stand apart from the various other amplifiers. The Kicker ZX300.1 mono subwoofer would control your subs with nearly 300 watts of power. This unit does not have a peak power rating and you can ensure that the amplifiers CEA-2006 compliant rating would mirror a true measure of its capabilities. Similar to all the kicker amplifiers the Kicker ZX300.1 is also designed with a high quality internal component to offer you a reliable performance. The Kicker ZX300.1 features an in built low pass filter that helps in removing high frequency that is generated by the amplifiers output, so that you get the most from your subwoofers. Apart from this, there is a subsonic filter that eliminates the intense low bass that usually hampers the system efficiency. You can use the bass increase control to make a little more low-end bump or you can also turn it on and off with the additional wired remote control.
Features:
The Kicker ZX300.1 features a CEA 2006 complaint where the power ratings are calculated according to the firm standards dictated by the Consumer Electronic Association (CEA). The unit also features a speaker level input or a high level input connection that allows you to use it with a source that does not have RCA preamp level output. Along with this, the unit also features a remote bass level control that allows you to adjust the output levels of the amplifier from anywhere in your vehicle. When you attach the remote bass level control to the mounting bracket it will have the dimension of W=2.204″, H=1.171″, D=2.253″ that includes the knob. There is also the KickEQ bass enhance circuit that offers a 12 dB signal increase at 40Hz."
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"The design is fairly clean overall. Connections are made by removing the fascia shield via the 2 allen head screws allowing access to the terminal strips for connections. The first thing I noticed is the weight. This amp is light. Meaning, there can't be that much inside for a clean performer. Sure enough, this is a plane jane stripped down amp, with limited MOSFETS.
Here's the specs:
Class D Mono Power Amplifier
K-STAT technology
Dual sigma drive
Dual power supply with two transformers
Maximum Output Power: 1200 Watts
RMS Power 4-Ohm: 300 Watts x 1 (20-200Hz, 0.5%THD)
RMS Power 2-Ohm: 600 Watts x 1 (100Hz, 0.5%THD)
RMS Power 1-Ohm: Over 600 Watts x 1
Signal To Noise Ratio: 80dBA (Ref:1 Watt into 4Ohm)
Infrasonic Filter: 15Hz, 25Hz, -24dB/oct
Bass Bosost ready (Wire remote): 40Hz-100Hz, 0dB-+18dB
Low Pass Filter: 40-200Hz (Variable), -24dB/oct
OK... Now for the truth. CEA 2006 rating is 1% THD. Meaning it's a Loose noise monster. Secondly...Where's the second power transformer... There sure isn't one on the board. Lastly, do the math. 40A fuse X 13.8V = ~552W peak load before the fuse pops. Generally, this formula works for class AB the best. Digital amps are more efficient. Based on the number of Mosfets...there's no way this amp is getting near 800 or 1200 watts.
This looks like a revised layout from the older KAC series amplifiers, with near identical componentry. There is so much sparce space on this amplifier board, there's no reason to have the heat sink this large. The other thing I observed... is the solder joints on the MOSFETS on the amplifier side of the board looked relatively poor and high in flux.
Under high load, I would expect a failure condition.
If your looking for just cheap sound reinforcement and not worried about quality, then pick this one up. If your looking for Better Regulated, true digital class D, and better overall circuitry...look on to either Xtant (before their MTX aquisition), JL, or Directed."
US $32.15
