HomeProduct Product Dimensions3.9 x 2.9 x 1.3 inches 3.9 x 2.9 x 1.3 inches Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio… $99.99 Check New Price on Amazon