This version includes electronics for plugging it in. It is compact making it a great acoustic travel instrument and fun to play. (No reviews yet) Write a Review Write a Review. The Seagull M4 Mahogany EQ Merlin SG is new for 2017 and based around a dulcimer. Find helpful customer reviews and review ratings for Seagull M4 Mahogany 4-String Diatonic Acoustic at Amazon.com. Read honest and unbiased product reviews from our users. The Seagull M4 comes in Mahogany SG or Natural Spruce. The Seagull M4, in Natural Spruce or Mahogany SG, features a solid spruce top with a 'mustache' style Tusq bridge, compensated saddle, 3-piece rock maple body with neck-thru design and vintage style open-geared tuners. It features a solid spruce top that comes with a Tusq bridge with a 'mustache' style. Rating Required. Find helpful customer reviews and review ratings for Seagull Merlin M4 Mahogany Dulcimer GuitarVault Bundle with Seagull Gig Bag, Strap, Tuner and Strings (39098) at Amazon.com. Read honest and unbiased product reviews from our users. SKU: 44 … The Seagull M4 Mahogany EQ Merlin has been finely crafted in LaPatrie, Canada. Read user reviews for Seagull Merlin M4 Travel Acoustic Guitar and see over 325,000 product reviews at zZounds.com. A compensated saddle, vintage-style open-geared tuners , and three-piece rock maple body plus neck-thru design. Comments Required. Find helpful customer reviews and review ratings for Seagull M4 Merlin Mahogany EQ Acoustic-Electric Dulcimer with Extra Set of M4 Strings (042517) at Amazon.com. Read honest and unbiased product reviews from our users. Inspired by the dulcimer, the Seagull M4 is a portable 4-string diatonic acoustic instrument that's just simply fun to play and hard to put down! Find helpful customer reviews and review ratings for Seagull M4 Merlin Natural Mahogany Dulcimer with M4 Gig Bag (039098) at Amazon.com. Name Review Subject Required. Read honest and unbiased product reviews from our users. Seagull M4 Merlin Spruce Dulcimer w/EQ.