Sony D-NF400 CD Walkman Review

Specs:

Digital-Analog Conversion: 1 Bit
D/A Conversion: 1 Bit Quartz Time-Axis Control
Frequency Response: 20-20000Hz, +1/-2dB
Inputs: DC-In 4.5V
Outputs: Headphone (stereo mini jack)
Power Requirements: DC 1.5V x 2 ("AA" x 2 Batteries
Color: Silver
Weight: 6.90 oz (195g)
Dimensions: 5 3/8" x 1 1/4" x 5 3/8" (135.8 x 30.7 x 135.8mm)