so what do u guys this about this amp sub combo on a 93 civic CX?
NO plans to upgrade to 2 subs!

Thunder6152 2-Channel Amplifier
http://www.mtxaudio.com/caraudio/arc...hunder6152.cfm

2-Channel Amp Specifications
Amplifier Type: 2-channel
RMS Power: 37.5W x 2 @ 12.5V
Bridged RMS Power: 325W x 1 @ 14.4V
THD at Rated RMS Power: < 0.1%
Speaker Level Inputs: Yes
Preamp Outputs: Yes
Built-In Crossovers: HP/LP
Bass Boost: 0-18 dB
Frequency Response: 20-20,000 Hz
Channel Separation: n/a
Signal to Noise Ratio: > 110 dB
Fuse Rating: 30 amps

Features
Pure N-Channel VFET Design
Intelligent Surface Mount Technology (ISMT)
Defeatable 12dB or 24dB/ocatave 40-200Hz High- Or Low-Pass Crossover
ISO Feet Mounting System
Variable High, Low, or Full-Range Preamp Outputs
Speaker Level Inputs with Smart-Engage Signal Sensing
ThunderEQ Variable Bass Boost
Conservative 12.5 Volt RMS Power Rating
Certified Performance Certificate
Black Powder Coated Heatsink With Chrome Trim


With one of these Subs!
Infinity 1020W 10"

Specifications
Power Handling, RMS: 250W
Power Handling, Peak: 1000W
Sensitivity: 90dB
Frequency Response (±3dB): 22Hz - 800Hz
Mounting Depth: 5-1/2"
Impedance: 4 Ohms

Dual stacked magnets and bump backplate increase efficiency and provide additional clearance for long Xmax.

Hi-Roll Rubber Surrounds offer superior cone edge suspension and reject moisture and UV.

A wopping 11.9 millimeter X-max delivers serious excurion. This subwoofers is great for high SPL and sound quality applications.

Check out the downloadable and viewable Box and Parameter Sheet for additional info and suggested enclosures.

 

looks alright.

 

I might have to say the amp would overpower the sub if you dont set the gains correctly....just be careful and it will give u some bump