{"title":"Services","description":"\u003cp\u003eProfessional amp services from Boat Harnesses.\u003c\/p\u003e","products":[{"product_id":"send-tune-send-hertz-amp-tuning","title":"Send Tune Send: Hertz Amp Tuning","description":"\u003cp\u003eUnimpressed with your factory Hertz system? The Hertz Venezia V4, V4C, V5, and V5C amps in Yamaha boats weren't properly tuned before the boats left the factory, so most have never sounded the way they should. In our experience, the factory settings only use about 10-15% of their output potential.\u003c\/p\u003e\u003cp\u003eEvery amp is tuned on our bench with a JL Audio MAX system, using a live oscilloscope and real-time audio analyzer, matched to the exact speakers it will power. No guessing by ear, no tuning from photos or forum advice. Just measured, clean power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow Send-Tune-Send works:\u003c\/strong\u003e ship us your amps, we tune them on the bench to their rated output, and we send them back ready to install.\u003c\/p\u003e\u003cp\u003eTuning by ear can push a system into distortion and clipping, and that's how amps and speakers get damaged.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e$100 per amplifier, plus return shipping (calculated at checkout).\u003c\/strong\u003e Choose your amp model and set the quantity to the number of amps you're sending. After you order, we'll email you instructions for shipping your amps to us. Questions first? \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Hertz Venezia V4, V4C, V5 and V5C amps (Yamaha OEM), including 2025–2026 Yamaha 255XD with Hertz amps.\u003c\/p\u003e","brand":"Boat Harnesses","offers":[{"title":"Venezia V4","offer_id":67762130092219,"sku":"STS-HERTZ-V4","price":100.0,"currency_code":"USD","in_stock":true},{"title":"Venezia V5C","offer_id":67762130124987,"sku":"STS-HERTZ-V5C","price":100.0,"currency_code":"USD","in_stock":true},{"title":"Venezia V4C","offer_id":67771743862971,"sku":"STS-HERTZ-V4C","price":100.0,"currency_code":"USD","in_stock":true},{"title":"Venezia V5","offer_id":67771743895739,"sku":"STS-HERTZ-V5","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/3520\/8635\/files\/send-tune-send-hertz-tuning-screen.jpg?v=1792468827"}],"url":"https:\/\/boatharnesses.com\/collections\/services.oembed","provider":"Boat Harnesses","version":"1.0","type":"link"}