The 7 Best Amp Simulators for Bass 2020 (Paid & Free) - Tone Topics - Dedicated guitar site with everything guitar gear, how-to guides, tutorials, reviews for all guitar players.
Atoragon's Guitar Nerding Blog: THE BEST FREE VST BASS AMPS (a guide with free Vst plugins inside)
Studio Devil Virtual Bass Amp Modeling Plug-In (Instant Software Download)
Darkglass Tone Capsule Bass Preamp System | Sweetwater
Two Notes Le Bass - 2-channel Tube Bass Preamp | Sweetwater
Free VST effect plug-ins by Ronald Passion, dual guitar preamp, tube bass preamp, virtual analog equalizer, digital parametric equalizer, mastering equalizer
Bass Box – Atomic Amplifiers
An Affordable Modeling DI and Preamp? Atomic Bass Box Demo! - YouTube
Studio Devil - Virtual Bass Amp
Acoustic Bass Preamp and DI Pedal With Overdrive | Guitar Center
Guitar Preamp Pedals - Your Ultimate Guide from Andertons Music Co.
Darkglass Microtubes B7K Ultra V2 Bass Preamp Pedal with Aux In | eBay
Behringer Bass V-AMP Modeling Preamp BASS V-AMP B&H Photo Video
MXR Thump Bass Preamp Pedal | Sweetwater
Two notes Audio Engineering - Le Bass Preamp Pedal