|PRO-PHILE" Series Ultra-Thin Preamplifier/Tuner with Sonic Holography and ACCD. Just 1 3/4 inches tall, yet it's a fully featured preamplifier and tuner that provides extraordinary performance in any audio installation. 28-button remote control. 20 random AM/FM station presets. Asymmetrical Charge-Coupled FM Detection circuitry for crystal clear reception. FM mono. Preset scan. Auto scan/manual tuning. 3-level signal strength indicator. Sonic Hologram Generator for true 3-dimensional sound. 6 audio inputs. Dual tape monitors IN/dubbing. Bass/treble and loudness equalization. Balance control. Motorized volume control. 4 AC convenience outlets. Headphone jack.