Subcompact Box Speakers
Part Number: MA-840B

These subcompact box speakers are designed to fit in difficult locations and still offer high quality music sound. The ultra-low magnetic field design lets you mount them anywhere without adversely affecting navigation equipment such as compasses and autopilots. Polypropylene cones, stainless steel grills and brackets, and heavy-duty ABS enclosures make them corrosion-proof and waterproof. Dual cone design with 3" main cone size.

Features

  • Ideal for locations where other speakers won't fit
  • Only 4" x 4"
  • Ultra-low magnetic field speaker
  • Stainless steel grill and bracket
  • Available in black and white


Specifications
  • Frequency Response: 70Hz to 14KHz (Single cone)
  • Peak Power: 80W per pair
  • Continuous Power: 40W RMS/pair
  • Impedance: 4 ohms
  • Overall Dimensions: 4-3/16" x 4-1/16" x 4-1/2" (106mm x 102mm x114mm)
  • Cone Size: 3-1/2" (89mm)

    Specifications:

    • Mounting Style: Bracket
    • Size: 4' x 4.2'
    • QTY: Pair
    • Watts RMS - Max: 40 Watts
    • Box Dimensions: 5"H x 5"W x 9"L WT: 2.6 lbs
    • UPC: 731128084015

    Quick Guide (pdf)
    Brochure (pdf)

  • Shipping rates depend on the service. We offer 2 flat rate programs with: USPS: FREE Smart Post / USPS 4-8 Days USPS: $9.99 HOME DELIVERY 1-3 Day Days UPS: 2 DAY DELIVERY : UPS LIVE RATE UPS: 1 OVERNIGHT : UPS LIVE RATE

  • Orders are processed and delivered Monday-Friday (excluding public holidays)


    The time frame for order delivery is divided into two parts:

    Processing time: Order verification, tailoring, quality check, and packaging. All orders are sent to our warehouses for dispatch within 24-48 hours after the order is placed.

    Shipping time: This refers to the time it takes for items to be shipped from our warehouse to the destination. After processing and leaving the warehouse, items usually take between 1 to 3 days to arrive at their destination but can take longer from time to time; especially, dependent on shipping method you select.

    Backorders: As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via email. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

    Important note: Please note that all estimated shipping times stated are based on normal conditions. Every once in a while, we do experience heavy shipping volumes, especially during the holiday seasons. Delivery can take longer, but our aim is to have your item reach you as soon as possible.

Guarantee: A1Nautical offers a return period of 30 days from date of receipt. Return Merchandise Authorization (RMA) numbers are required for all returns. Returned products must be complete in the original packaging and resalable. Units requiring service, either warranty or otherwise, should be returned directly to the appropriate manufacturer. To obtain an RMA number, please send an email to info@a1nautical.com or call 1-877-515-0942 and be sure to provide the original invoice number, product being returned, and the reason for return. Returned merchandise may be subject to a restocking fee of up to 15%; please contact the Sales department for details.

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