Aloha prodigy803!
This is what I would recomend for your setup... You can enjoy all the sound of your system when you have a hatch. I love hatch`s because of that. So you will like to have a good sound quality, trust me on this.
This is what I would recomend for your setup...
Headunit:
You already have a great one, so I will stick on to that.
Speakers:
Front:
GTO608C from JBL
160mm/170mm (6-1/2" • 6-3/4") 2-Way Component System
Frequency Response50Hz – 21kHz
ConePlus One® (patent pending) woofer cone
CrossoverOutboard crossover system
Impedance2 ohms
Mounting Depth52mm (2-1/16")
Power handling, peak210W
Power handling, RMS70W
Sensitivity (2.83V @ 1m)92dB
SeriesGrand Touring
Tweeter25mm (1") My-Ti™ tweeter
Tweeter protection (PTC) Yes
Tweeter-level control Yes
Back:
GT5-963 from JBL
6" x 9" 3-Way Coaxial System
Frequency Response50Hz – 20kHz
ConePlus One woofer cone
Impedance4 ohms
Mounting Depth72mm (2-3/16")
Power handling, peak210W
Power handling, RMS70W
Sensitivity91dB
SeriesGT5
For the L7:
This is the amp you can use
GT5-A3001 from JBL
A 300-watt mono subwoofer amplifier with on-board variable electronic crossover
The GT5-A3001 brings studio-quality audio to your car. With total peak power of 600 watts but dimensions of only at dimensions of only 2-1/8" (54mm) high, 9-1/4" (235mm) wide and 12" (305mm) deep, the GT5-A3001 is compact but mighty. Features include a cast-aluminum heatsink, built-in electronic crossover networks and auxiliary line-level outputs. Full-range preamp outputs are provided, facilitating multiple amplifier hookups without the need for high-loss Y-adapters or signal splitters.
450-Watt Mono Subwoofer Amplifier
Auxiliary outputs Yes
Back-litJBL® logo
Class ABYes
Crossover type (12dB/oct., 20Hz – 320Hz; sub) LP
Dimensions (L x W x H)305mm x 235mm x 54mm (12" x 9-1/4" x 2-1/8")
Output power (RMS, ≤1% THD + N; 1 ohm) 300W
Output power (RMS, ≤1% THD + N; 2 ohms) 225W
Output power (RMS, ≤1% THD + N; 4 ohms) 175W
SeriesGT5
Signal-to-noise (@ 1W) 95dBA
With this mono amp you are going to enjoy that sub!
With this setup you will have great sound quality, nice bass and the headunit will be able to handle the hole system, no extra amps needed in my opinion.
Oh! I forgot, if you want to put a good batterie get an Optima Red Top, top of the line man...
http://www.optimabatteries.com/optima_products/redtop/index.php
A hui hou.
Pomaikai.