Pricing and availability
We compare 600+ stores and found this item at 1 store. Prices updated .
Store
Reviews
Price
Average Price: $89
Budget/Beginner
$299
$800+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "Harley Benton Custom Line Thunder 99". Prices shown reflect NEW condition. Tracking began Apr 19, 2026.
* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.
Description
For guitarists seeking a compact yet powerful solution to amplify their sound, the Harley Benton Custom Line Thunder 99 emerges as a true game-changer. This guitar power amplifier in pedal format combines portability with impressive wattage, offering an effortless connection to any preamp, pedal, or effects unit. Whether you're practicing in a cozy corner or performing on stage, the Thunder 99 ensures your sound packs a punch with its dual 50W output into 4 ohms, adaptable for 4 to 16-ohm speakers.
Perfectly designed for versatility, this pedal features two 6.35 mm jack inputs and outputs, facilitating a seamless stereo setup. Additionally, the 3.5 mm aux input with LED indicator allows you to jam along with your tracks, while a headphone output ensures private practice sessions without compromising sound quality. The master volume controller grants you full command over your output levels, making it a breeze to dial in the perfect tone for any scenario.
Ideal for both beginners and seasoned musicians, the Harley Benton Custom Line Thunder 99 is a reliable companion in your musical journey. Its robust build and thoughtful design elements make it a must-have for those who value both sound quality and convenience.
Key Features:
- Compact power amp pedal for electric guitar
- 2 x 50W power output into 4 ohms
- Compatible with 4 - 16 ohm speakers
- Master volume controller
- Dual 6.35 mm jack L/R inputs and outputs
- 3.5 mm stereo aux input with LED
- Headphone output via 3.5 mm mini jack
- Includes 24 V / 5 A power supply
Product specs
| Available since | May 2019 |
FAQs
-
What type of guitar is the Harley Benton Custom Line Thunder 99 suitable for?
-
The Harley Benton Custom Line Thunder 99 is designed for use with electric guitars, providing ample power for gigging and rehearsal settings.
-
Does the Harley Benton Custom Line Thunder 99 work well with pedalboards?
-
Yes, the Harley Benton Custom Line Thunder 99 is well-suited for use with pedalboards, offering clean amplification that preserves the tone of your effects.
-
Is the Harley Benton Custom Line Thunder 99 portable for live performances?
-
The Harley Benton Custom Line Thunder 99 is compact and lightweight, making it a convenient choice for musicians who need a portable power amplifier for live performances.
-
How much power does the Harley Benton Custom Line Thunder 99 deliver?
-
The Harley Benton Custom Line Thunder 99 provides 99 watts of power, suitable for small to medium-sized venues and rehearsal spaces.
-
Can the Harley Benton Custom Line Thunder 99 be used for bass guitars?
-
While primarily designed for electric guitars, the Harley Benton Custom Line Thunder 99 can also handle bass guitars, although it may not offer the same low-end response as dedicated bass amplifiers.
-
What are the main connectivity options for the Harley Benton Custom Line Thunder 99?
-
The Harley Benton Custom Line Thunder 99 features standard 1/4" input and output jacks, making it compatible with most guitar setups and speaker cabinets.
Videos
EytschPi42
A stereo power amp for 89 bucks? Harley Benton Thunder 99 Review
Reviews
PROS
-
Offers 2x50 watt independent stereo channels for versatile sound configuration
-
Provides clean, uncolored sound ideal for maintaining original guitar tone
-
Compact design makes it easy to integrate into a pedal board
-
Plenty loud enough to compete with drum volume in a band setting
-
Compatible with a variety of speaker configurations, including 4x12 and 2x12
-
Transparent sound quality, doesn't color the tone of patches
-
Works well with multiple preamps for extensive tonal options
-
Remains cool during use, even with demanding setups
CONS
-
Risk of electric shocks reported by multiple users
-
Requires breakjack on both (+) and (-) for specific stereo effects
-
No built-in tonal adjustments, limiting quick on-the-fly modifications
-
Requires user-supplied plug for USA 120V usage
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Harley Benton Custom Line Thunder 99.
Features and functionality
-
The Thunder 99 utilizes a switching power supply that accepts 100-240V, 50/60Hz, making it compatible with US voltages using a simple plug adapter.
Source
Software and compatibility
-
A US-type AC cable (NEMA 1-15 to IEC 60320 C7) can be used, as the power supply does not require any additional conversion beyond a plug adapter.
Source
Comparisons
-
Unlike linear power supplies in tube amps, the Thunder 99's power supply is flexible with voltage and frequency, enhancing its international usability.
Source -
Users compare the Thunder 99 to the Seymour Duncan PowerStage, noting the latter's superior quality but higher price, especially beneficial for metal with low tuning and loud settings.
Source -
The Thunder 99 is seen as a budget-friendly option compared to higher-end models like the PowerStage 700, which is recommended if stereo sound for a 2x12 configuration is needed.
Source
Use cases and applications
-
The Thunder 99 fits well in compact setups alongside devices like QC and expression pedals on a Pedaltrain Metro 20, suitable for lower-volume gigs with an 8 Ohm 2x12 cab.
Source -
The power amp is reportedly capable of driving a 4x12 1960A Marshall cab at 4 Ohms, achieving full 190 watts and keeping up with loud band settings.
Source
Based on 0 Reviews and 0 Ratings
Similar
Add recommendation1 alternative for Harley Benton Custom Line Thunder 99, curated by the Equipboard community.
More Harley Benton Guitar Power Amplifiers
Artist usage
Community setups
Most Popular Guitar Power Amplifiers
Most Popular Brands
-
Added to Equipboard on by
jykerGear IQ 1502
-