Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11AM Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enjoy Extended Returns thru Feb 1, 2017!
You have until Feb 1, 2017 to return or exchange items purchased between Nov 1, 2016 and Jan 1, 2017. All other standard return policy conditions apply.
Enter new zip code to refresh estimated delivery time.
Behind the expressiveness of the UD-503, which exceeds the level expected of its class, is an indulgent dual-monaural circuit structure that encompasses every aspect from the power and D/A sections to the analog output stage. The organic electroluminescent display (OELD) with a 4-level dimmer provides high contrast and excellent visibility. A large font is used to enable listeners to check the volume even from distant positions.
Dual-monaural structure supports fully-balanced transmission and realizes further advancement
Four types of PCM digital filter and two types of DSD filter
Isolation circuit that completely separates the grounding of the digital and analog sections
Preamp circuits use TEAC-QVCS high-precision volume control with a four-circuit structure
Volume display using OELD has excellent visibility
Headphone amplifier with discrete construction supports balanced drive headphones
The full-metal body realizes both vibration control and elegant style in an A4-size body that enables placement on a desktop
Symmetrically placed XLR output and RCA input and output jacks
Three supportive pinpoint feet allow easy installation
2 x headphones ( phone stereo 6.3 mm ) - front 1 x audio line-in ( RCA x 2 ) - rear 1 x audio line-out ( RCA x 2 ) - rear 1 x balanced audio output ( XLR x 2 ) - rear 1 x USB ( 4 pin USB Type B ) - rear 1 x digital audio input (coaxial) ( RCA ) - rear 1 x digital audio input (optical) ( TOSLINK ) - rear 1 x sync input ( BNC ) - rear 1 x SPDIF input ( mini-phone stereo 3.5 mm / optical ) - front