This Pedal is currently available.
Analog speaker cabinet emulator with headphone output
PHONES is an all-analog speaker cabinet emulator with headphone output and adjustable treble resonance. Use this pedal for practice at home, cranking as loud as you want.
Specifications
Buffered bypass
4Vrms output swing
0.03% distortion
220k ohm input impedance
9V to 12V @ 20mA power
https://www.hagamps.com/collections/silicon/products/phones-analog-speaker-cab-emulator