On Stage TCM7520 Trumpet Straight Mute Gator Cases GRB-3U Standard 3U Audio Rack Bag with Nylon Over Plywood Construction Channel separation at 1kHz -

Channel separation at 1kHz - 25 dB

All you need to do is to select the Tracking Scratch Pad mode

+60 dB Gain

3-Position Low Frequency Roll-Off Switch

On Stage TCM7520 Trumpet Straight Mute Gator Cases GRB-3U Standard 3U Audio Rack Bag with Nylon Over Plywood Construction Channel separation at 1kHz -The On Stage TCM7520 Trumpet Straight Mute produces a classic bright mute tone while preserving accurate intonation. Its natural cork pads securely grip the bell while the padded top protects the horn's finish from scratching. Product Specifications: Brand Name: On Stage Gear Material: Spun aluminum, natural cork Color: Silver Dimension: 3. 38, 3. 38, 1