Package Includes:

• (1) JBL MA704 1000 Watt 4-Channel Marine Amplifier Boat Audio Amp
• (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit

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What's in the Box:

• Amplifier
  
• Stainless steel mounting hardware
  
• Rubber inserts
  
• (4) High-level input adapters
  
• (2) spare fuses
  
• 2 Stickers
  
• Quick start guide

Features of MA704:

• JBL Marine amplifiers feature a slim chassis and a small footprint to allow for installation in tight spaces
  
• High- and low-level inputs
  Speaker-level and low-level inputs let JBL Marine amps integrate with just about any audio input
  
• Selectable Output and Variable Adjustment Crossovers
  JBL Marine amps feature selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment to allow for fine-tuning multiple system configurations
  
• Product Value
  JBL power and performance at an affordable price point
  
• Cosmetic Appeal
  Product family look and feel to meet the needs of our JBL customers
  
• Conformal-Coated PCB
  JBL Marine amplifiers are engineered to withstand harsh marine conditions, with fully “marinized” circuit boards to ensure flawless power delivery, year after year
  
• Variable Crossover
  Onboard 12dB electronic crossovers, with selectable full-range, high-pass & low-pass switching, provide tuning options for systems of any size
  
• Big Dynamic Power
  Output power is perfectly matched to meet the needs for your JBL marine products

Specifications:

• Max Power: 1000W Peak
  
• RMS Power Output @ 2Ω: 100W x 4, <1% THD+N
  
• RMS Power Output @ 4Ω: 70W x 4, <1% THD+N
  
• RMS Power Output, 4Ω Bridged: 100W x 2, <1% THD+N
  
• Signal-to-Noise Ratio: >85dB (ref 1W output @ 4Ω)

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Video of RMWK:

Features:

• Rockville RMWK4 4 AWG Gauge Waterproof Marine/Boat Amplifier Wire Installation Kit
• 20 ’ Translucent, Twisted Pair, High Quality, Tinned-OFC Flexible PVC RCA Cable
• 18’ 4 Gauge High Current, Low Impedance, Clear Flexible Power Cable with 3’ Black Poly Woven Mesh to better resist chemicals in the battery compartment
• 18’ 4 Gauge High Current, Low Impedance, Light Blue, Flexible Ground Cable
• 25’ 16 Gauge 100% Tinned-CCA, White, Non-Transparent Resin PVC, Flat Speaker Cable
• 25’ Blue Remote Wire
• (1) Silver Mini-ANL Fuse Holder – Clear Shell and Clear Blue Bottom Bracket with Blue Waterproof Ring
• (1) 120A Mini-ANL Fuse
• (1) 80A Mini-ANL Fuse
• (2) Ring Terminals
• (2) Spade Terminals
• (5) Speaker Cable Terminals
• (1) Washer
• (10) White Cable Ties

Owner's manual