Hosa ATT448 Input Microphone Inline Switchable Attenuator, XLR3F to XLR3M ATT-448. XLR3F to XLR3M. Input Attenuator. This adapter is designed to add attenuation to a dynamic microphone. Its selectable -20 dB, -30 dB, or -40 dB attenuation makes it ideal for karaoke, public speaking, and other events during which a single microphone is shared.
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