ESI Audio - U168 XT Specifications Specification Details Audio Interface Type USB 2.0 Audio Interface Analog Inputs 16 (8 x XLR/TRS Combo Inputs, 8 x TRS Line Inputs) Analog Outputs 16 (8 x TRS Balanced Outputs, 8 x TRS Line Outputs) Digital I/O S/PDIF (Stereo) MIDI I/O 1 x MIDI In, 1 x MIDI Out Sample Rate Up to 96 kHz Bit Depth 24-bit Phantom Power +48V for Mic Inputs Headphone Output 2 x 1/4" TRS Stereo Outputs Power Supply External Power Adapter Dimensions 11.6 x 7.8 x 2.1 inches Weight 4.2 lbs The ESI Audio - U168 XT is a professional-grade USB audio interface designed for musicians, producers, and sound engineers who require extensive connectivity and top-tier audio performance. With 16 inputs and 16 outputs, the U168 XT offers the flexibility to handle complex recording and production setups, making it ideal for home studios, professional recording environments, and live performances. This interface provides pristine audio quality, advanced features, and compatibility with major digital audio workstations (DAWs). Design and Build Quality The U168 XT combines durability and functionality with its rugged metal housing and sleek design. The interface is built to last, ensuring reliable performance in both studio and live settings. Despite its extensive I/O capabilities, the U168 XT maintains a compact form factor, making it easy to integrate into any setup. The front panel features easily accessible controls for volume, input gain, and phantom power, as well as LED indicators for real-time monitoring of audio levels. Key Design Features Durable Metal Construction: The robust metal chassis ensures durability and protection for all internal components. Compact and Portable: Despite its comprehensive feature set, the U168 XT remains portable and easy to transport. Front Panel Controls: Quick access to gain, volume, and phantom power settings for efficient operation. LED Indicators: Visual feedback for input and output levels, helping to prevent clipping and distortion. Audio Performance With a 24-bit/96 kHz resolution, the U168 XT delivers professional-grade audio quality, ensuring that every recording captures the finest details with clarity and accuracy. Its high-quality preamps provide low-noise, transparent sound reproduction, making it perfect for capturing vocals, instruments, and live performances. The U168 XT also offers ultra-low latency performance, ensuring that musicians and producers can monitor their recordings in real-time without any delay. Sound Characteristics 24-bit/96 kHz Audio Resolution: High-definition audio for pristine recording quality. Low-Noise Preamps: Clean, transparent sound reproduction with minimal background noise. Ultra-Low Latency: Real-time monitoring for seamless recording sessions. Inputs, Outputs, and Connectivity The U168 XT is equipped with an extensive array of inputs and outputs, offering unparalleled flexibility for any recording setup. It features 16 analog inputs and 16 analog outputs, including 8 mic/line combo inputs with XLR and TRS connectivity, making it easy to connect multiple microphones, instruments, and line-level sources. The remaining I/O is made up of 8 additional line inputs and outputs via TRS connectors, providing ample room for additional hardware like synthesizers, drum machines, or effects processors. In addition to analog connections, the U168 XT includes a pair of digital S/PDIF I/O for connecting digital audio devices such as CD players or DAT recorders. The interface also features MIDI I/O, allowing users to connect MIDI controllers, keyboards, or other MIDI-equipped gear directly to their DAW. Connectivity Features 16 Analog Inputs: 8 mic/line combo inputs and 8 line inputs for a wide range of recording possibilities. 16 Analog Outputs: 8 TRS outputs for connecting speakers, amplifiers, or outboard gear. Digital S/PDIF I/O: Stereo digital connections for connecting digital audio devices. MIDI I/O: Full MIDI connectivity for MIDI controllers and instruments. USB 2.0 Connection: High-speed USB connectivity for reliable, latency-free performance. Ease of Use and Compatibility The U168 XT is designed for maximum ease of use, providing plug-and-play functionality with Windows and macOS systems. Whether you're using it in a home studio, a professional recording environment, or for live sound applications, the U168 XT ensures seamless integration with popular DAWs such as Ableton Live, Logic Pro, Cubase, and Pro Tools. The interface also features full ASIO 2.0 support for low-latency audio performance and is compatible with all major recording software. Compatibility Features Plug-and-Play Operation: Easy setup with no additional drivers required on most systems. Windows and macOS Compatible: Works seamlessly with both operating systems. ASIO 2.0 Support: Low-latency performance for real-time recording and monitoring. Works with All DAWs: Compatible with major DAWs including Ableton Live, Logic Pro, Cubase, and Pro Tools. Direct Monitoring and Real-Time Control The U168 XT features zero-latency direct monitoring, allowing users to hear their input signals in real-time as they are being recorded. This is an essential feature for musicians, vocalists, and producers who require precise control over their performances. The direct monitoring option eliminates any delay between the input and output signals, making the recording process smooth and efficient. Furthermore, the front panel includes individual volume controls for both headphone outputs, allowing for personalized monitoring setups during recording sessions. Direct Monitoring Features Zero-Latency Monitoring: Hear the input signal without any delay for perfect recordings. Front Panel Control: Adjust input gain and monitor levels easily during sessions. Multiple Monitoring Options: Dedicated headphone volume controls for personalized monitoring. Software Bundle To complement the hardware, the U168 XT comes with a comprehensive software bundle that provides all the tools needed to get started with recording, editing, and producing audio. The bundle includes various virtual instruments, effects plugins, and DAW software, allowing users to start creating high-quality music and audio projects right away. Software Features DAW Software: A fully functional DAW included for recording, editing, and mixing music. Virtual Instruments: A selection of virtual instruments to enhance your music production capabilities. Effects Plugins: A range of audio effects for polishing and fine-tuning your recordings. Applications and Ideal Use Cases The ESI Audio - U168 XT is designed to meet the demands of a variety of professional audio applications, making it suitable for studio recording, live sound, and multimedia production. Its high input/output count and pristine audio quality make it perfect for complex multi-track recording setups, while its real-time monitoring capabilities ensure flawless performances during live events. Whether you're producing music, recording podcasts, or broadcasting live streams, the U168 XT provides the tools needed to achieve professional results. Studio Recording: Ideal for recording multiple instruments, vocals, and MIDI controllers simultaneously. Live Sound: A reliable solution for live performances, allowing for multi-track recording and monitoring. Multimedia Production: Perfect for creating soundtracks, audio for video, and other multimedia projects. Accessories and Inclusions The U168 XT comes with everything you need to start recording right out of the box. The package includes a high-quality USB cable for connecting the interface to your computer, as well as a quick start guide to help you get set up quickly and easily. Additionally, the included software bundle provides a wide range of tools to enhance your recording and production workflow. USB Cable: High-speed USB cable for fast and reliable connection to your computer. Quick Start Guide: Step-by-step instructions to help you get started immediately. Software Bundle: Includes a variety of virtual instruments, effects, and recording software. Care and Maintenance To ensure the longevity of your U168 XT, regular care and maintenance are essential. Keep the interface clean and free from dust, and store it in a dry environment when not in use. Here are a few tips for maintaining your U168 XT: Clean Regularly: Use a soft, dry cloth to clean the exterior and prevent dust buildup. Avoid Moisture: Keep the interface in a dry, ventilated area to avoid damage. Update Firmware: Regularly check for firmware updates to keep the interface running smoothly. With its advanced features, excellent audio quality, and extensive connectivity options, the ESI Audio - U168 XT is a top-tier audio interface designed to meet the demands of professional users. Whether you're a musician, producer, or sound engineer, the U168 XT delivers the performance and flexibility needed to achieve your creative goals.