Can you use a Dual Channel amp for one speeker?

Im wondering if a 4000 watt 4 channel amp can be run with my 2 12s and i can not use the other 2 channels yet?

• but i want to use the chanels later when i get 2 more subs so i can run the 4 subs just through the one amp. the subs i got now peak at 700 and have 350 rms whats. 4 ohm coil. now the amp im looking at is 2 cheap (i really really really dont wna break the bank.) for the whats so whats up? can it work now with this set just turned down without hurting the subs i got now? will it work well with 2 more decient subs later? here the info on the amp.* 1000W x 4 Output @ 2 Ohms * 2000W x 2 Bridged Output @ 4 Ohms * 1000W x 2 @ 4 Ohms + 2000W x 1 Output @ 2 Ohms * 2 Ohm Stable * Dual MOSFET Power Supplies * Dual Variable Hi-Pass : 40 Hz-250 Hz * Dual Variable Low-Pass : 40 Hz-250 Hz * Dual Variable Input Level (Gain) Control : 6V-200mV * Dual Switchable Bass Boost : 0/+18dB * Thermal / Overload / Short Circuit Protection * Soft Turn On/Off * Power & Protection LED Indicator * Low Level RCA Input : 10K Ohms * Line Level RCA Output * Frequency Response : 15 Hz-30K Hz * Signal to Noise Ratio: >95dB * THD:0.1 % * 2x50 Amp Maxi Type Fuse * Slim Size Amplifier Design For Easy Installation * Dimensions: 10.74''W x1.69''H x17''L thank you much.

• Answer:

  Nope you have to use all channels to run 2 subs on a 4 channel amp. Each set of 2 channels has to be bridged to one sub.