Schiit Audio Freya+ Stereo Tube Preamplifier

Friedman IR-X Dual Tube Preamp And DI 2-Channel Pedal-Style Tube Guitar Preamp/DI With Power Amp Simulation, IR Loader, Effects Loop, And MIDI

Friedman IR-D Dual Tube Preamp And DI Pedal Tube Preamp/DI With 2 Independent Channels, Per-Channel EQ And Boost, Cab/Power Amp IR Loader, FX Loop,

Synergy Soldano SLO-II 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12AX7 Preamp Tubes, Crunch/Overdrive Switches, Normal/Tight

Synergy Z Wreck 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Volume, Master, 2-Band EQ, Cut, And Speed/Comfort Controls

Synergy Fryette Pittbull Ultra Lead Module 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain/Volume Knobs,

Universal Audio 4-710D 4-Channel Microphone Preamp And Compressor 4-Channel Tube/FET Preamp And DI With Tone Blending Knob, And 8-Channel

Synergy Diezel Herbert 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Global 3-Band EQ, Dual Gain/Volume Knobs,

NAD Masters Series M66 Stereo Preamplifier With HDMI, Built-In Bluos(Tm) Streaming, Apple Airplay 2, And Bluetooth

Synergy OS 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch

Fishman Tonedeq Acoustic Instrument Preamp With Effects Acoustic Instrument Preamp DI With 3-Band EQ, Low Cut Filter, Compressor, Boost Function,

Synergy BMAN 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, 2 Tight Switches, And 2 Bright Switches

Synergy Morgan AC 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X Bright Switches, And 2 X 12Ax7 Preamp Tubes

Pro-Ject Tube Box S2 Vacuum Tube Phono Preamplifier For Moving Magnet And Moving Coil Cartridges - Silver

Synergy VAI Steve Vai Signature 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain/Volume Knobs, Dual

Synergy IICP 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Tubes, Global 3-Band EQ With Presence, Global 5-Band Graphic EQ,

Synergy Tone King Imperial 2-Channel Tube Preamp Module 2-Channel Tube Preamp Module With Per-Channel Attenuation, Volume, And Tone-Shaping

Synergy Fortin Killer Kali 2-Channel Tube Preamp Module Tube Preamp Module With 2 Channels, Gain And Volume Knobs, Bright, Violence, Saturation, And

Synergy DRECT 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Gain, Volume, 3-Band EQ, Presence, And Orange/Red Controls

Friedman IR-J Jake E. Lee Signature Dual-Tube Preamp 2-Channel Tube Preamp Guitar Pedal With TS-Style Boost, Effects Loop, Power Amp Simulator, IR