Here are the specs......
MB Quart DSC 4125 Amplifier
RMS Power Rating:
•4 ohms: 125 watts x 4 chan.
•2 ohms: 250 watts x 4 chan.
•Bridged, 4 ohms: 500 watts x 2 chan.
•PWM (Pulse Width Modulated) MOSFET power supply
•Remote bass level input (remote level control sold separately)
•LED power and protection indicators
•Tuned Bass EQ (0-9 dB bass boost at 45 Hz)
•Bridgeable operation
•Soft start sound
•Preamp RCA outputs
•DC, short, thermal, and overload protection circuitry
•Unbalanced RCA inputs
•Switchable 2-channel/4-channel input modes
•Damping Factor: >180
•Variable input level control: 0.2V-0.6V
•Variable high-pass filter (10-1200 Hz, 24 dB/octave)
•Variable low-pass filter (30-150 Hz, 24 dB/octave)
•Frequency response: 10-20000 Hz
•Dimensions: 15.75"L x 9.45"W x 2.7H
Infinity Kappa Perfect 6.1 Comps
• Power range 25-100 watts RMS
• Peak power handling 400 watts
• 2-way Crossovers
• Selectable Tweeter Output Level
• Butyl Rubber Woofer Surrounds
• Gold Plated Crossover Terminals
• 1" anodized aluminum dome tweeter
Kenwood DNX 8120
General Features:
• In-dash Navigation, DVD, CD, MP3 Receiver with Remote
• iPod USB direct connectivity via your standard iPod-to-USB connection cable allows you to charge, control, and playback your iPod through the receiver and stereo system
• Built-in Bluetooth technology supports hands-free calling with a compatible Bluetooth phone
• 6.95" Wide touchscreen display
• Wireless remote control included
• Blue button lighting
• CEA-2006 compliant amplifier
• Power Output:
o Peak: 50 watts x 4 channels
o RMS: 22 watts x 4 channels
• CD Text Display
• MP3 ID3 Tag Display (Title/Artist/Album)
Playback and Audio Features:
• Playback of DVD±R/RW, DivX, VCD, CD, CD-R, CD-RW, AAC, MP3, and WMA
• Tuner with 18FM/6AM presets
• Digital graphic equalizer with 7 EQ presets
Expandability Options:
• 3 Sets of 5V preamp outputs (front, rear, and subwoofer) and a center channel output
• SIRIUS or XM Satellite Radio Ready with subscription and the purchase of one of the following adapters required and sold separately: Kenwood SIRIUS Satellite Radio Package or Kenwood KCA-XM100V XM Radio Adapter
• HD Radio Ready: Kenwood KTC-HR200 required and sold separately.
• Bluetooth Ready: Built-in Bluetooth technology with integrated mic
• NavTraffic Ready: Subscription with either one of the following: Kenwood GXM30 XM/NavTraffic Receiver or Kenwood GTM10 FM Traffic Receiver
• iPod Audio/Video Ready: Allows you to charge and control your iPod files through the Kenwood head unit with the purchase of one of the following adapters:
o Kenwood KCA-iP300V 3-wire adapter for audio and video files.
o Kenwood KCA-iP200 2-wire adapter for audio files.
o Kenwood KCA-iP100 1-wire adapter for audio files.
• Rear auxiliary input: USB and RCA Audio Video Input
Key Features:
• Built-in Garmin navigation with Complete US, Canada, and Puerto Rico maps
• Apple iTunes AAC file format playback
• 16:9 Display ratio
• PAL/NTSC compatible
• Built-in clock
• Rear-camera input capable
• Radio data system