Harman Kardon HK 3390 – 2 × 80W High‑Current Stereo Receiver The Harman Kardon HK 3390 is a powerful, high‑current stereo receiver engineered to deliver exceptional musical performance with the clarity, authority and warmth that define Harman Kardon’s audio heritage. Designed for music lovers who want uncompromised stereo sound, the HK 3390 combines ultrawide‑bandwidth amplification, a robust ±42A high‑current power supply, and a full suite of analog and video connectivity options. With 80 watts per channel (FTC) into 8 ohms and a wide frequency response from 10 Hz to 110 kHz, the HK 3390 drives demanding loudspeakers with ease, delivering precise control, deep bass and detailed imaging. A built‑in phono stage supports MM cartridges, making the HK 3390 an ideal centerpiece for vinyl enthusiasts. Beyond audio, the HK 3390 includes four composite‑video inputs, dual subwoofer outputs with triggers, A/B speaker switching, and a tape monitor loop — all wrapped in Harman Kardon’s signature clean, understated industrial design. Key Features 80W × 2 high‑current stereo amplification (FTC) Ultrawide bandwidth: 10 Hz – 110 kHz ±42A HCC (High‑Current Capability) for superior speaker control MM phono input for turntables A/B speaker switching Dual subwoofer outputs with trigger Four composite‑video inputs + front A/V input Stereo pre‑outs for external power amplifiers Tape monitor loop FM/AM tuner with RDS, 30 presets, auto‑preset and direct tuning Two switched AC outlets for accessory devices IR remote extension jacks Harman Kardon system remote for controlling compatible CD players and tuners Audio Performance Continuous power output (FTC): 80W × 2 into 8Ω 20 Hz – 20 kHz,
