Cadence Acoustics f100-5 starter setup

[Jtao21]

A am a complete noob and I'm thinking about doing my first setup (Amp + Sub) for now.

Would the Cadence Acoustic 5 channel be good enough? I just want a single 12". Reason for the 5 channel is so I can add 2 6.5's and 2 6x9 later down the road or should I be buying a mono amp + sub for now and another 4 channel later? Much help is appreciate thanks.

Specs are as follows:

100W x 4 + 300W at 4 ohm RMS, 150W x 4 + 500W at 2 ohm RMS, 1000W Peak Power

http://www.amazon.com/Cadence-Acoustics-F100-5-5-Channel-Amplifier/dp/B003V8AUZ8/ref=sr_1_1?ie=UTF8&qid=1335984775&sr=8-1

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