JBL MA704 Marine Weather-Resistant, High-Performance 4-channel Marine Amplifier - 70 Watts x 4

New weather-resistant & high-performance JBL Marine amplifiers deliver impressive power from a compact chassis designed to withstand outdoor environments. Available with 4-channel and 5-channel outputs. JBL Marine amplifiers incorporate our latest amplifier topology that includes selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment for precision system tuning. Engineered for harsh marine conditions, with power and performance to meet the needs of any outdoor audio system, JBL Marine amplifiers are the perfect match for all of your JBL marine products.

Features:
Compact size - 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.
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 Crossovers - Onboard 12dB electronic crossovers, with selectable full-range, high-pass & low-pass switching, provide tuning options for systems of any size.

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)