The Whirlwind QBOX is a versatile Audio Line Tester and Test Tone Generator designed for use with Sennheiser equipment. Its sleek black design features an XLR (3-Pin) Female connector B, making it compatible with a variety of audio setups. This multipurpose tool by Whirlwind is ideal for musicians, sound engineers, and audio technicians seeking a reliable solution for testing audio lines and generating test tones with ease. The battery needs to be taped in place to be held
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