How much does this cost to the nearest dollar?

Yamaha SILENT Brass Trumpet Mute Complete System
Practice anytime, any place with SILENT Brass! The Yamaha SILENT Brass practice mute system includes a high-quality practice mute that fits inside the bell of your instrument and reduces the sound that comes out of your horn to a whisper. A microphone inside the mute captures your sound and sends it to the Personal Studio receiver. When you connect earbuds or headphones, you’ll hear yourself playing at full volume while people around you hear almost nothing! Practice anywhere, any time! Other people hear practically nothing, but you can hear yourself playing at full volume. Note Model number SB7X-2 or SB7X is same item. The pickup mute combines a high-performance mute with an internal microphone to pickup sound. The mute offers

Price is $178.00
Price: $178