Alphasonik
PSW912
$730
Part of the Mayhem series of subwoofers, this 12" woofer has two 2-ohm voice coils that can run either 4 ohms in series or 1 ohm in parallel. A highly stylized cast aluminum basket deserves to be seen. With its 200-ounce triple-stacked magnet, this sub is rated at 2,200 watts RMS.www.alphasonik.com 714.988.0370
EFX
HDW1204
$70
With up to 900 watts peak power and 300 watts RMS power handling, this 12-incher adds some oomph to a system in need of low frequencies. It has a metalized polypropylene cone, butyl rubber surround, rear-vented 2" voice coil and nickel-plated binding posts.www.scosche.com 805.486.4450
Kenwood
KFC-W3514DVC
$150
The titanium-coated cone of this 12" sub is 15mm deeper than standard models and moves 20 percent more air for greater bass output. Two voice coils provide high power handling (up to 1,200 watts of peak power) and improved heat dispersal around the voice coil.www.kenwoodusa.com 310.639.9000
Crunch
PZi 250.2
$250
At 4 ohms, this Class A/B amp puts out 250 watts into 2 channels and at 2 ohms, 500 watts. However, in bridged mode it rates at 1,000 watts into one channel. The "i" in the model name derives from the large "illuminated" Crunch logo on top.www.maxxsonics.com 847.540.7700
Kicker
ZX700.5
$680
For more flexibility, try a hybrid amplifier. The multichannel ZX700.5 has four channels at 85 watts each plus a 420-watt Class D channel for a subwoofer. It includes remote bass control and other controls for boost, gain and crossover frequency, which are located on top for maximum accessibility.www.kicker.com 405.624.8510
Interfire
A1000.2
$358
To keep this A-series amp going, Interfire added high-power overwrapped torroidal coils, heavy-duty power capacitors and a protection circuit. Features include an up to 17-volt RCA input; gold-plated bus bars and input/output terminals; and built-in crossovers. Power maxes out at 1,100 watts.www.interfireaudio.com 877.90.AUDIO
Jensen
VM9411
$800
In its small DIN-sized package, the VM9411 packs a 7-inch screen, plays a variety of formats and is ready to link with other devices to boost the media options. The multizone unit allows front and rear passengers to listen to different sources, such as DVD in the back and radio up front.www.audiovox.com 800.645.4994
Clarion
VRX765VD
$1,100
This single-DIN unit with a 7-inch flipout touchscreen enables you to play almost any sort of audio source out there when teamed with Clarion's add-ons for satrad and iPod. For improved audio, it features a 24-bit digital-to-analog converter and 5.1 surround processing.www.clarion.com 310.327.9100
Panasonic
CQVD7003U
$1,000
An internal backlight and non-glare surface add to your viewing experience on this 7-inch flipout. The touchscreen enables quick and intuitive start-up. And if you can't watch the screen (keep those eyes on the road!), you can take advantage of the 4 x 50-watt built-in amp, 5.1 Dolby Digital 2 and DTS3 decoders.www.panasonic.com 800.211.PANA
Mito Corp
BlueConnect
$299
Installing easily in the headliner or overhead console, the BlueConnect Bluetooth hands-free kit pairs with up to seven different Bluetooth-enabled phones. Features include single-touch activation, direct dialing, an internal phonebook, automatic connection and the capability to hook up to a head unit through the aux input.www.mitocorp.com 800.433.6486
Peripheral Electronics
CelFi
$20-150
Boosting intelligibility when using a Bluetooth cell phone kit like Motorola's IHF1000, CelFi devices utilize simple plug-n-play connectors to easily connect a kit to a head unit or a vehicle's speakers. Feel free to talk hands-free and drive with your windows down.www.aampofamerica.com 727.572.9255
Alpine
HCE-100XM
$300
If you connect this XM Satellite Radio and XM NavTraffic data receiver to Alpine's NVE-N872 and subscribe to XM's NavTraffic service, you're bound to reach your destination sooner. The receiver pumps traffic info into the nav unit, enabling it to display color-coded congestion levels, incident icons and re-routing options.www.alpine-usa.com 800.ALPINE