Pricing and availability
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Store
Reviews
Price
Average Price: $370
Standard/Professional
$200
$801+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "Ampeg Portaflex PF-350". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Explore the realm of deep, resonant bass tones with the Ampeg Portaflex PF-350. This bass amplifier head combines Ampeg's legendary sound with modern, musician-friendly features. It's a no-nonsense powerhouse, offering a solid 350W of Class D amplification. Whether you're practicing at home with headphones or powering a live performance, the PF-350 brings reliability and tone in a compact package. It's the perfect blend of traditional Ampeg tonal quality and contemporary functionality, without straining your wallet. Dive into a sonic experience that's both rich and accessible, making it an ideal choice for bassists across all levels.
Key Features:
- 350W of solid-state Class D power for robust sound output
- Three-band EQ for versatile tone shaping
- Onboard limiter to protect against signal clipping
- -15dB pad for managing high input levels with ease
- 1/8” headphone out for silent practice sessions
- 1/8” audio in, allowing you to play along with external audio sources
Product specs
| Brand | Ampeg |
| Model | PF-350 Portaflex 350-Watt Bass Amp Head |
| Finish | Black |
| Year | 2011 - 2025 |
| Categories | Bass Heads |
| Color Family | Black |
| Electronics | Solid State |
| Impedance | 4 ohms |
| Number of Channels | 1 Channel |
| Number of Inputs | 1 Input |
| Output Power (Watts) | 350 |
| Power Tube Type | None |
| Reverb | None |
FAQs
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Is the Ampeg Portaflex PF-350 suitable for live performances?
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Yes, the Ampeg Portaflex PF-350, with its 350-watt output, is powerful enough for small to medium-sized live performances, especially when paired with appropriate speaker cabinets.
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What type of power does the Ampeg PF-350 require?
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The Ampeg PF-350 is a solid-state amplifier head that requires a standard AC power connection, making it convenient for use in most venues and rehearsal spaces.
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Can the Ampeg PF-350 handle both 4-ohm and 8-ohm speaker cabinets?
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The Ampeg PF-350 is optimized for use with 4-ohm speaker cabinets, which allows it to deliver its full 350-watt output. It can also function with 8-ohm cabinets but at reduced power.
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Does the Ampeg PF-350 have a built-in DI output?
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Yes, the Ampeg PF-350 features a built-in direct output, making it easy to connect to a PA system or recording interface for direct sound capture.
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How portable is the Ampeg Portaflex PF-350?
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The Ampeg Portaflex PF-350 is designed with portability in mind, featuring a compact and lightweight build that makes it easy to transport to gigs and rehearsals.
Videos
Bass Whisperer TV
Ampeg PF-350 PortaFlex amp
Ampeg PF-350 PortaFlex amp
Bass Whisperer TV
AMPEG PF-350
session
Ampeg Portaflex Series PF-350 - Features
Ampeg
Strings Quick Demo : Ampeg Portaflex PF-350 demo
Strings Shop
Ampeg Portaflex PF-350 | Part 1 - Initial Inspection
Grumpy Techie
Reviews
PROS
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Compact and lightweight design
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Powerful 350 watts output
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Built-in limiter, gain, master volume, and three-band EQ
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Offers parallel outs, DI XLR, FX loop, headphone out, and audio in
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Can be mounted to Ampeg Portaflex cabs for easy integration
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Delivers the signature Ampeg throaty midrange and solid bottom end
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Direct out useful for gigs without needing additional amplification
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Versatile tone suitable for small to medium-sized gigs
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Simple setup and operation, appealing to professionals and hobbyists
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Robust construction built to withstand travel and frequent use
CONS
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Lacks speaker audio output when using headphones
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Missing a mute button for silent tuning or breaks
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Some may find it not as punchy as tube amps in terms of volume
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Basic feature set might not satisfy those looking for extensive customization
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ampeg Portaflex PF-350.
Features and functionality
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The PF-350 has a good feature set for its cost, making it a suitable choice if found below sticker price.
Source -
Owners appreciate the PF-350's ability to fit in a laptop bag for easy transport, highlighting its portability for frequent gigging.
Source -
The ability to attach the PF head to the lid of a flip-top PF cabinet allows for quick and convenient transportation and setup.
Source -
The PF-350 is often used with a 115LF cabinet, offering significant headroom and a powerful sound for its size.
Source -
A single 4 ohm 210 cab might suffice depending on musical context, but additional headroom is often preferred.
Source
Use cases and applications
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Owners report it powers both a 4x10 and a 1x15 cabinet simultaneously for indoor gigs.
Source -
The PF-350 fits perfectly on top of vertically stacked SVT210AV cabinets, making it a compact solution for bar and wedding gigs.
Source -
The PF-350 provides enough power for bar and wedding gigs when paired with the right cabinets, such as 2x SVT210AVs.
Source -
A single 4 ohm 112 cab is used for practice, but more is desired for gigs, suggesting the PF-350 can support varied setups.
Source
User experience
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Some users experience cutting out issues at high volumes, especially in hot venues, suggesting it may struggle under extreme conditions.
Source -
Some users have gigged with the PF-350 and 2x SVT210AVs for years, confirming its durability and reliability for small to medium-sized venues.
Source -
Owners prefer a pair of 8 ohm 210 cabs for stacking and flexibility, enhancing both gig and rehearsal setups.
Source
Critic Reviews
4.5 out of 5
Based on 1 Review and 8 Ratings
99
Best option for cost, size and power (at the same time)
Ampeg doesn't need any reviews, it's just the besto solution for most bassists around the world. The PF350 is cheap, light and small, and combined to any Ampeg cabinets gives awesome results.
Artist usage
Add artist
Two PF-350's are seen stacked behind Al, between the Ampeg SVT stack and the drummer.
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In this instagram pic you can spot the Ampeg behind the bass
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Ampeg Portaflex PF-350, it is most commonly used with the following gear.
Community setups
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