Review on 🎺 GFB Whistling Trumpet: Versatile Valve Accessory for All Instruments by David Miller
They sound good - Blow Off Valves
Got them for my Stinger GT. As other reviews have pointed out, they don't whistle unless you really choose the boost. You sound cool when you do it. I have 2 as I use two BOVs. As a result, I got black and silver. Doesn't seem worth trying to trade one 🤷♂️
- Dope 🔥
- threadbare
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