Amazon.com: Palmer 19" DI Box 8 Channels Passive, Blue (PAN16) : Musical Instruments
Alctron Prodi8 Multi-purpose 8-channel Direct Injection Box Eight Channels Di Box Active Impedance Converter For On Stage,studio - Microphones - AliExpress
Palmer PAN 16 19-Inch 8-Channel Passive DI Box - Sound Productions
Behringer Ultra-DI Pro DI800 8-Channel DI-Box • Available from ChurchGear