Electro-Harmonix ABRAMS100 100-Watt Guitar Amp Head

New inventory ships 12/15/25

🚚 FAST & FREE SHIPPING from Phoenix, AZ! Professor Nigel’s is an authorized Electro-Harmonix dealer.

Professor’s Notes
The ABRAMS100 is a pocket-sized powerhouse — all the clean headroom and flexibility of a full-size amp, wrapped in a chassis lighter than your pedalboard. It’s built for players who live for pedals, modelers, and creative routing — whether you want pristine cleans, warm crunchy breakup, or a sturdy foundation for wild effects chains. At just 2.5 lbs, it’s muscle-grade amp tone without the back-breaking haul.

Description
The Electro-Harmonix ABRAMS100 packs 100 watts of Class-D power into an ultra-compact guitar amp head, engineered to provide clean, high-headroom amplification ideal for pedals, modelers, and dense rigs. It’s designed to go from “whisper to roar” with smooth gain response that stays clean until you push it — then offers harmonic richness and slight breakup.

The front panel keeps it simple and musical: Gain, Bass, Mid, Treble, Reverb, and Master Volume, along with a Bright switch for extra clarity on darker guitars or thicker signal chains. A built-in digital spring reverb adds classic ambience, and a series FX loop lets you place time-based effects or modelers after the preamp for maximum tonal control. The rear FX-loop return even doubles as a power-amp input for direct modeling rigs or external preamps.

This little head is more than just portable—it’s flexible. Use it as a clean pedal platform, a utility amp for rehearsal or recording, or a full-blown gig rig with the power to fill rooms when paired with a suitable speaker cabinet.

Specifications

• 100 watts output via Class-D power amp
• Ultra-light chassis — approx. 2.5 lbs (1.13 kg)
• High-headroom preamp with smooth gain character
• 3-band EQ (Bass, Mid, Treble) + Bright switch for added presence
• Built-in digital spring reverb
• FX loop with return that doubles as power-amp input
• Output impedance: 4–16 Ω
• Size / Weight (unboxed): 8.5" × 7.5" × 2.5" / ~2.5 lbs
• Powered by 9VDC adapter (included)