I found a visonik, I dont recommend anything by them, But its withit your specs and price range.
Visonik V218XT
http://www.sonicelectronix.com/images/normal/v218xt.jpg
http://www.sonicelectronix.com/item_7125.html#
$109
Product Description:
600 watts, 2-Channel Amplifier 
RMS Power Output: 
4 Ohms: 150 watts x 2 chan. 
2 Ohms: 300 watts x 2 chan. 
4 Ohms Bridged: 600 watts x 1 chan. 
Full MOSFET Circuitry 
Power/Protection LED 
Thermal, Short, and Overload Protection 
Variable High/Low Pass Crossover(50 Hz - 250 Hz) 
Adjustable Input Sensitivity 
RCA Line Input & Output 
Variable Bass Boost: 0 - 18 dB @ 45 Hz 
S/N Ratio: 90 dB 
Frequency Response: 20 Hz - 20 kHz 
Dimensions: 10.25"L x 10.31"W x 2.5"H 
Authorized Internet Dealer 
2-year Manufacturer's warranty 
Amplifier Specifications: 
Number of Channels   2 
RMS Power (4 ohms)   150 watts x 2 chan. 
RMS Power (2 ohms)   300 watts x 2 chan. 
RMS Power (1 ohm)   Not Stable 
Bridged RMS Power   600 watts x 1 chan. 
Peak Power Output   N/A 
Min. Impedance Unbridged   2 ohms 
Min. Impedance Bridged   4 ohms 
THD @ Rated RMS Power   0.05% 
Speaker Level Inputs   Yes 
Amp Preamp Outputs   N/A 
Built-in Crossover   Yes - HP / LP 
High-Pass Crossover   50 - 250 Hz 
Low-Pass Crossover   50 - 250 Hz 
Subsonic Filter   N/A 
Signal-to-Noise Ratio   90 dB 
Channel Separation   N/A 
Bass Boost   0 - 18 dB 
Bass/Gain Remote   N/A 
Fan Cooled   N/A 
Fuse Rating   25A x 1 
Warranty   2-year Authorized Manufacturer's 
Also a hifonics, not sure the peak though.
Hifonics Titan TXi 6006 
Titan TXi 2-Channel Amplifier 
http://www.sonicelectronix.com/images/normal/txi6006.jpg
http://www.sonicelectronix.com/item_6575.html
$150
Product Description:
2-Channel Titan TXi Series Amplifier 
Hifonics logo with dramatic blue illumination 
Matching mono-blocks & 2/3/4–Ch amplifiers 
Sound quality Class-A/B two & four-channel models can be combined with the matching beefy A/B-Class Titan TXi amplifier designs 
2-channel Titan TXi's are bridgeable 
Twin Turbo Torroid EXVP MOSFET power supplies 
All TXi Amps incorporate High-Speed MOSFET outputs 
2-channel TXi Titan Amps offer; 
Accu-Cross™ crossover controls 
Low-Pass, Band-Pass/Full/Hi-Pass 
Adjustable Bass Equalization (+ 18dB @ 45Hz) 
24dB Subsonic Filter (@ 20Hz) 
Soft Start Feature Prevents Turn-on Thumps 
Optional Remote Bass Control on 2-CH & 4-Ch Titans 
RCA Line-Outs for Multiple Amplifier Systems 
4-Gauge Power Connectors 
EXVP MOSFET Power Supply for Maximum Current 
Twin Turbo SPC Torroids Improve Bass Response 
Better Speaker Control Via Adjustable Crossovers 
18dB Bass Equalization Eliminates Boom 
Subsonic Filters Combat Excessive Cone Excursions 
Mono Amps Offer Remote Bass Controls 
System Diagnostics LEDs indicate: Hi-Temps, DC-Offset, Short Circuits & Overloads 
1-year Sonic Electronix warranty 
Amplifier Specifications: 
Number of Channels   2 
RMS Power (4 ohms)   150 watts x 2 chan. 
RMS Power (2 ohms)   300 watts x 2 chan. 
RMS Power (1 ohm)   Not Stable 
Bridged RMS Power   600 watts x 1 chan. 
Peak Power Output   N/A 
Min. Impedance Unbridged   2 ohms 
Min. Impedance Bridged   4 ohms 
THD @ Rated RMS Power   <0.05% 
Speaker Level Inputs   No 
Amp Preamp Outputs   Yes - 1 Pair 
Built-in Crossover   HP/LP 
High-Pass Crossover   10Hz - 1.2kHz 
Low-Pass Crossover   50 - 150Hz 
Subsonic Filter   N/A 
Signal-to-Noise Ratio   95 dB 
Channel Separation   70 dB 
Bass Boost   0 - 18 dB 
Bass/Gain Remote   Yes 
Fan Cooled   N/A 
Fuse Rating   N/A 
Warranty   1-year SE 
