Functional design, easy setup, and durable material make it convenient to use.
APOGEE Groove Headphone Amplifier USB DAC
Product Details
Selling due to equipment consolidation.
Operation confirmed. All accessories are included.
This is a used item, so please purchase after reviewing the images.
This is a portable USB DAC & headphone amplifier compatible with Mac & PC. It delivers high-quality sound with recording studio quality. The color is a simple black.
■Portable USB DAC & headphone amplifier compatible with Mac & PC. Enjoy listening to high-quality sound with recording studio quality.
■Incorporates world-class high-fidelity audio technology to achieve studio-quality high sound quality even on laptops and desktops.
■Easy to use with simple operation.
■Adopts Quad Sum DAC technology, which features 4 DACs per channel. Achieves high dynamic range and low noise for high quality.
■Equipped with the proprietary Constant Current Drive circuit design, enabling faithful playback regardless of the impedance of a wide variety of headphones. By varying the output according to headphone impedance, it smoothly corrects characteristic changes and reproduces with faithful response.
■The ESS Sabre32 32-bit HyperStream DAC with Time Domain Jitter Eliminator provides a wide range, low noise, and clear sound quality.
■USB 2.0 (Mac & PC compatible)
■Maximum Sample Rate: 24 bit/192kHz
■Equipped with ESS Sabre DAC
■Constant Current Drive for ultra-smooth frequency response with all types of headphones
■Quad Sum DAC with 4 DACs per channel for maximum dynamic range and low distortion
■Asynchronous high-precision clock
■Maximum output level: 225mW (30Ω)
■Multi-color LED indicator for status and level display
■USB bus powered
■Top panel buttons for output level control and mute
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.














