Audio-Technica is known for producing high-end USB turntables. In February they’ll be releasing the Audio-Technica ATH-D900USB USB ($385) headphones. What makes these headphones unique is that they come with a built-in 24-bit DAC. The DAC sits in the left ear cup and utilizes a Burr-Brown PCM1791 op-amp. Additional specs include 53mm drives that have a frequency response of 5Hz-35,000Hz, which is just nuts. Not to worry if you don’t have a need for USB headphones, these also come with a 3.5mm jack so you can plug them into any of your audio devices.
The ARC Plasma Speaker ($100) from ExcelPhysics does away with conventional magnet driven speaker drivers for an arc of plasma. There are no other moving parts, just an arc of plasma running at 30,000 volts, modulating the air to generate music. The ARC comes in a kit or for $299 you can get one fully […]