Bass Pack Contents:

• 1 x Alpine SWR-1243D - 12 inch 30cm Car Audio Subwoofer
• 1 x Alpine MRX-M50 X-Power Amplifiers 1 Channel Class-D Mono Amplifier 500W
• 1 x Alpine RS12V - 18mm MDF Subwoofer Bass Box
  
• 1 x Connects2 CT35-8AWG - Complete 8 AWG Amplifier Wiring Kit

Alpine SWR-1243D Features:

• 12" component subwoofer
• Kevlar-reinforced pulp cone
• Cast aluminum frame with perimeter venting
• Santoprene Rubber Surround Material
• Dual 4-ohm voice coils (can be wired into 2 or 8-ohms)
• Frequency response: 23-400 Hz
• Power Range: 600 - 1800 Watts
• RMS Power Handling: 600 Watts
• Peak Power Handling: 1800 Watts
• Sensitivity: 83 dB
• Mounting Depth: 162mm (6-3/8'')
• Mounting Diameter: 275mm (10-13/16'')
• Computer Optimised Magnetic Circuit
• CAS Technology
• Designed and Engineered in the USA
• Sold in individual units

• Amplifier Type: Class-D (Digital)
• Channel Design: 1 Channel (Mono)
• Thermal Control: Thermal Management Control
• Power Supply: MOSFET
• Power Supply Design: DC-DC PWM Power Supply
• Board Circuitry: S.T.A.R. Circuitry
• Current Protection: Over-Current, Over-Voltage and Thermal Protection
• Power Indicator: Top Mounted Blue LED Power Indicator
• Speaker-Level Inputs
• Crossover: Variable Lowpass Filter
• Built-in Bass EQ
• Built-in Subsonic Filter
• Final Outputs: Direct FET
• Board Design: 6-layer Glass Epoxy PC Board
• Gain Control: Continuously Adjustable Gain Control
• Bass Control: Remote Bass Control ( RUX-KNOB sold separately )
  

Alpine MRX-M50 Specification:

Max Power Output Ratings:

• Max Power: 1100W
  

RMS Power Ratings:

• Per Channel into 4ohms, 14.4V (≤1%THD+N): 300W
• Per Channel into 2ohms, 14.4V (≤1%THD+N): 500W
  

Sound Tuning:

• Crossover Frequency (LPF): 50 - 400Hz (-12dB/oct.)
• EQ (Equalizer): Bass EQ (fc=50Hz) 0 to +12dB
• Subsonic: 5 - 30Hz (-24dB/oct.)
  

Dimensions:

• Heat Sink: 190 x 58 x 230 mm
• Footprint: 250 x 58 x 230 mm
  

General:

• Power Requirements: 14.4V DC (11 - 16V)
• Input Sensitivity (RCA Input): 0.2 - 4.0V
• Input Sensitivity (Speaker Level Input): 0.5 - 10V
• Input Impedance:10k ohms
• Frequency Response (+0, -3dB: 1W into 4 ohms): 5 - 400Hz
• Frequency Response (+0, -1dB: 1W into 4 ohms): 10 - 300Hz
• THD+N (10W into 4 ohms):0.004%
• THD+N (Rated Power into 4 ohms):0.04%
• Damping Factor: >1000
• Signal to Noise (Rated Power into 4 ohms): 114dB
• Preamp Output: 4V max.
• Remote Level: 0 to -20dB ( RUX-KNOB Required )
• Weight: 2.6kg

• Width: 405mm
• Depth Bottom: 420mm
• Depth Top: 330mm
• Height: 380mm

• Constructed from 18mm (3/4") MDF
• Terminal Cups with Gold Plated Binding Posts
• Wired internally ready for subwoofer
• Charcoal Grey Carpet finish

• 8awg Power Cable with in line AGU fuse holder(5m)
• 8awg Ground Cable (1m)
• Blue Remote Cable 18awg (5m)
• 16 awg Transparent Speaker Cable
• Gold RCA Twisted interconnect cable (5m)
• All accessories