Martin SPA Fishman Thinline 332 Active Jack id: 44454 sku: 18A0055 brandname: Martin SPA Details Fishman Thinline 332 Active Jack Related products 18A0056 Martin SPA Fishman Thinline 332 acoustic pickup system acoustic guitar pickups 18A0057 Martin SPA Fishman Thinline 332 Plus acoustic pickup system acoustic guitar pickups