Amazon.com: Pyle Wireless Bluetooth Public Address Amplifier - 500W Compact Mini Digital Home Power Audio Sound PA Receiver System w/ 70V 100V Output, Mic Input, Radio, USB, Remote For 4-16ohm Speaker -PMSA126BU :
THD Hot Plate Power Reactive Attenuator 16 Ohm Blue Volume Control Load Box Amp Power Soak w Manual | Reverb
Captor 8 16 Ohm Load Box, Tube Speaker Power Attenuator, with DI output, with box simulation - AliExpress
Universal Audio OX Amp-Top Box | zZounds
USED] Two Notes Torpedo Captor X Reactive Loadbox DI and Attenuator, 16 Ohm | guitar pedals for any genre