You’re not just upgrading gear. You’re upgrading how it feels to listen.
The Krell S-550i doesn’t just power your speakers — it frees them. With 275 watts per channel (into 8Ω) and 550W into 4Ω, this amp unlocks clarity at low volumes and command at high ones. Whether you’re playing jazz, film scores, or hard-driving rock, the S-550i offers dynamic muscle without losing the subtlety.
Trade-in unit, fully tested, backed by our team at AV Synergy. Perfect for serious HiFi lovers ready to hear what their system is truly capable of.
Instsallation: Optional white-glove setup available within NJ/NY area.
Shipping: Local pickup or UPS Ground (additional charge).
Returns: Final sale (Trade-In) – tested and guaranteed functional.
Krell S-550i Integrated Stereo Amplifier
• Power Output: 275W @ 8Ω / 550W @ 4Ω
• Class A/B amplification, fully balanced
• Inputs: 3x RCA, 1x Balanced XLR
• Pre-Out + iPod dock (30-pin)
• Dimensions: 17.3" W x 5.8" H x 17.7" D
• Weight: 64 lbs (29 kg)
• Condition: Trade-In (Fully Tested)
