The Fender Pro Junior IV is a Fender amplifier, currently around $628.30. Close alternatives include the Electronic Audio Experiments Model feT V3.8 and the Tone King Imperial Preamp. It pairs well with the Catalinbread Formula 5F6 and the EarthQuaker Devices '- Speaker Cranker.
Fender Pro Junior IV
Fender · amplifier
The Fender Pro Junior IV (SE, Black) is the fourth generation of Fender's Pro Junior single-ended tube combo, a 15-watt EL84-powered amp known for its simple, no-frills circuit and touch-sensitive breakup. This SE (Special Edition) variant is finished in traditional black tolex covering, continuing the Pro Junior line's reputation as a compact, boutique-adjacent grab-and-go amp favored for its straightforward tube tone.
What stands out
“Valued for its simple, uncomplicated tube circuit delivering genuine tube breakup and dynamic touch response in a compact, affordable package”
— from the community notes
“A dependable choice for players wanting classic simple tube tone in a straightforward, affordable combo”
— from the reviews
“This SE (Special Edition) variant is finished in traditional black tolex covering, continuing the Pro Junior line's reputation as a compact, boutique-adjacent grab-and-go amp favored for its straightforward tube tone”
— from the listing
“Primary use case is players wanting classic single-ended tube amp character for recording, small gigs, or practice”
— from the community notes
“Compact size and light weight make it an easy grab-and-go amp for smaller gigs and studio use”
— from the reviews
Trade-offs
“Standout strength is the Pro Junior line's long-standing reputation among tone enthusiasts as one of the best-value simple tube amps Fender makes, often modded by hobbyists as a starting platform”
— from the community notes
- breakup
- simple
- tube
- touch
- response
- dynamic
- recording
- practice
Good for
- Practice
- Studio
Price updated Oct 25, 2026
Genres the Fender Pro Junior IV is commonly used in
- Blues
cited
Inferred from shared tonal signals, not a stated genre tag. - Classic Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Country
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Fender Pro Junior IV
Catalinbread Formula 5F6
Catalinbread
26% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → mid-forward)
Catalinbread Formula 5F6 takes that edge of breakup character and pushes it toward mid-forward
Goes in front of the amp
EarthQuaker Devices '- Speaker Cranker
EarthQuaker Devices
21% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → low gain)
Feed a edge of breakup signal into EarthQuaker Devices '- Speaker Cranker and it comes out closer to low gain
Goes in front of the amp
Greer Tomahawk
Greer
21% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → mid-forward)
Greer Tomahawk's own bright character is the real reason this is worth trying
Goes in front of the amp
Origin Effects SlideRIG Compact Deluxe
Origin Effects
16% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
What Origin Effects SlideRIG Compact Deluxe brings here leans toward compressed — that's worth building a pairing around
Goes in front of the amp
JHS 3 Series Harmonic Tremolo
JHS Pedals
15% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run JHS 3 Series Harmonic Tremolo after Fender Pro Junior IV in the signal chain, clear of Fender Pro Junior IV's own gain stage
Goes in front of the amp
Strymon BigSky
Strymon
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Strymon BigSky in Fender Pro Junior IV's effects loop, clear of Fender Pro Junior IV's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Malekko Electro-Harmonix Memory Toy Analog Delay
Electro-Harmonix
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Malekko Electro-Harmonix Memory Toy Analog Delay's modulated voice goes in Fender Pro Junior IV's effects loop — it's not there to compete with Fender Pro Junior IV's own edge of breakup character — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Behringer TO800 Vintage Tube Overdrive
Behringer
tonal matchGoes in front of the amp
Behringer TO800 Vintage Tube Overdrive's own voicing points at a clean amp's front end, and Fender Pro Junior IV delivers it
Cheaper alternatives
Universal Audio Uafx Woodrow '55 Instrument Amplifier Preamp
Universal Audio
72% similarityUniversal Audio Uafx Woodrow '55 Instrument Amplifier Preamp recreates this amp's tone in pedal form
Catalinbread Dreamcoat Skewer Special Edition Box
Catalinbread
72% similarityCatalinbread Dreamcoat Skewer Special Edition Box recreates this amp's tone in pedal form
Blackstar TV-10
Blackstar
91% similaritysimilar tone character
Blackstar HT-1R MkIII
Blackstar
91% similaritysimilar tone character
Boutique & premium upgrades
Similar charactersee all similar tone character →
Electronic Audio Experiments Model feT V3.8
Electronic Audio Experiments
72% similarityElectronic Audio Experiments Model feT V3.8 recreates this amp's tone in pedal form
Tone King Imperial Preamp
Tone King
72% similarityTone King Imperial Preamp recreates this amp's tone in pedal form
Hiwatt DR20112C
Hiwatt
58% similarityShared character: small gigs, practice, recording
Fuchs Blackjack21 MKII 112
Fuchs
54% similarityShared character: studio, recording, touch
Mojotone Tweed Princeton Style 1x8 Cabinet
Mojotone
53% similarityShared character: simple
Fuchs ODS Classic 25/50 Combo
Fuchs
52% similarityShared character: studio, recording, touch
See all alternatives to the Fender Pro Junior IV (cheaper + boutique) →
Questions people ask
What are good alternatives to the Fender Pro Junior IV?+
The closest matches in character are the Electronic Audio Experiments Model feT V3.8, the Tone King Imperial Preamp, the Hiwatt DR20112C. Budget picks: Universal Audio Uafx Woodrow '55 Instrument Amplifier Preamp, Catalinbread Dreamcoat Skewer Special Edition Box, Blackstar TV-10. Boutique upgrades: Blackstar Artisan 30 212 Combo 30W/2x12Zoll Class A.
What pairs well with the Fender Pro Junior IV?+
Strong matches from rig and tone-complementarity evidence: Catalinbread Formula 5F6, EarthQuaker Devices '- Speaker Cranker, Greer Tomahawk — Catalinbread Formula 5F6 takes that edge of breakup character and pushes it toward mid-forward.
How much does the Fender Pro Junior IV cost?+
Around $628.30 (live listing price, updated Oct 25, 2026).