Use coupon code WINTERWAVES to unlock Black Friday Deals!
{{ display.text }}
My Cart: 0 item(s)

Free 2-Day Shipping On Orders Over $200
Product Search

Secure Checkout
Free 2-Day Shipping*
Lower 48. Orders over $200.
Free Returns*
Uninstalled merchandise only.
Satisfaction Guarantee
for 60 Days

Infinity M4555A 760 Watt 5 Channel Marine Grade Amplifier

Infinity M4555A 760 Watt 5 Channel Marine Grade Amplifier
    Infinity M4555A 760 Watt 5 Channel Marine Grade Amplifier
    Purchase Infinity M4555A 760 Watt 5 Channel Marine Grade Amplifier
    • SKU: M4555A
    • $479.95

      In stock
    As low as $22.17 per month
    Free Shipping
    Orders over $100. Lower 48
    Free Returns
    No-hassle returns. We'll pay for the return label.
    60-Day Guarantee
    We stand by our products. If an issue arises, we'll help you out.

    These Infinity 680W 5 Channel Marine Grade Amplifiers deliver impressive power from a compact chassis and are designed to withstand outdoor environments. Infinity Marine M4555A amps incorporate the latest amplifier topology that includes selectable all, high, or low-pass crossovers with variable electronic frequency adjustment for precision tuning. Engineered for harsh marine conditions, Infinity Marine amplifiers are the perfect option for dynamic power.

    Infinity 680W 5 Channel Marine Grade Amplifier
    Features:
    • One (1) amplifier
    • Stainless steel mounting hardware
    • Rubber inserts
    • 4 High-level input adapters
    • 3 spare fuses
    • 2 2-color brand stickers
    • Quick start guide
    Specs:
    • Max Power: 1800W Peak
    • RMS Power Output @ 2Ω (subwoofer): 500W x 1, <1% THD+N
    • RMS Power Output @ 4Ω (subwoofer): 320W x 1, <1% THD+N
    • RMS Power Output @ 2Ω (full-range): 65W x 4, <1% THD+N
    • RMS Power Output @ 4Ω (full-range): 45W x 4, <1% THD+N
    • RMS Power Output @ 4Ω Bridged (full-range): 130W x 2, <1% THD+N
    • Signal-to-Noise Ratio (sub): >80dB (ref 1W output @ 4 ohm)
    • Signal-to-Noise Ratio (full-range): >80dB (ref 1W output @ 4 ohm)

    Community Questions & Answers

    {{ totalQuestions }}{{ (totalQuestions === 1) ? ' Question' : ' Questions' }} with {{ totalAnswers }}{{ (totalAnswers === 1) ? ' Answer' : ' Answers' }}
    Ask a Question
    Question
    Name
    Email
    Submit Question
    A confirmation email will be sent to your email address before your question can be posted.
    Success!
    A confirmation email has been sent to your email address. Once your email is confirmed, we'll be able to answer your question as soon as we possibly can!
    Uh Oh
    We ran into an issue with your question request. If it's urgent, give us a call at {{ storePhoneNumber }} during our business hours and we'll be able to help you out. Otherwise, please try your question again later.
    Previous Page
    Page {{ currentPage }} out of {{ totalPages }}
    Next Page
    {{ question.asker.display_name }}
    QUESTION{{ textDecode(question.content) }}
    {{ answer.answerer.display_name }}
    Store Owner
    COMMUNITY ANSWER {{ textDecode(answer.content) }}
    Previous Page
    Page {{ currentPage }} out of {{ totalPages }}
    Next Page