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GFA-555II

Introduced 1989$800 MSRP

Second generation of the Nelson Pass-designed GFA-555, a 200 W/ch high-current budget powerhouse that famously embarrassed far costlier amps. A perennial used-market bargain for driving difficult speakers.

MSRP

$800

Used market · Excellent

$549

-31% vs MSRP
as of Sep 26, 2026

MSRP to used market

From $600 at launch to $549 today.

Specifications

Type
solid-state power amp
Inputs
RCA line-level
Outputs
speaker binding posts
Topology
direct-coupled bipolar Class AB
Weight
33 lbs
THD
0.04%
Power output
200 watts per channel into 8 ohms

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