3.5 mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit (2*NE5532), easily to drive 32-300 ohm headphones. Reason and advanced architecture, TI TPA5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeat low cost.
Mini size and excellent performance: all designs full of details, solid alnum knob, potentiometer for smooth multi-ll gain adjustment, grey integrated moulding alnum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound n in limited space.