RF Archive
Plantronics BackBeat GO 3 Headphones
Plantronics BackBeat GO 3 Bluetooth Headphones $100 [$90 at Amazon] If you want to plunge into the tech-savvy world of Bluetooth headphones, the BackBeat GO 3 is a good place to start. Specs: Listening time: Up to 6.5 hours. This is about average, but can be improved (see below). Standby time: Up to 14 days. Audio: HQ custom SBC codec, 6 mm custom dynamic drivers, frequency response: 20-20,000 Hz, 20 db passive noise reduction, total harmonic distortion: <3%, sensitivity 102 dBspl/mW @ 1 kHz. Noise reduction for calls: MEMS microphone with digital signal processing (DSP) and full duplex echo noise reduction. Charge connector: micro USB. Charge time (maximum): 2.5 hours (power requirements 5V DC – 180 mA). Battery type: Rechargeable, non-replaceable lithium-ion polymer. Bluetooth v3.0: A2DP 1.2, AVRCP v1.5, wideband audio HFP v1.7, HSP v1.1. (Odd they still use v3.0, when v4.2 is available with its improved range and other benefits.) Headset battery meter onscreen for iOS devices. Weight: 19 g/0.67 oz. Operating + storage temp: 14°F to 122°F/-10°C to +50°C. Operating distance (range): Up to 33 ft/10 m from phone or tablet. Bluetooth’s been around for almost twenty years, but didn’t make much of a splash in the headphones […]
Audio News for June 26, 2015
SMPTE Australia Conference & Exhibit; SACD Is Staging a Comeback as a Computer Audio Option; Gunther Schuller and James Horner Die
XpanD x104 Universal 3D Shutter Glasses
The first totally compatible (all shutter-system 3D brands) and IR or Bluetooth-capable 3D glasses.
Audio News for July 31, 2012
XPAND 3D Creates Home Theater Division; HDtracks Presents Historic Blue Note Jazz Hi-Res Downloads; Sceptre Ships $999 50-inch LCD HDTV; Networked Audio Replacing TVs & Notebooks in Sales
Audio News for July 17, 2012
Deep Purple’s Jon Lord Dies; 40% of UKers Can’t Recall When They Last Bought a CD; Bose Has Two New VideoWave II Systems; Mobile DTV to Increase TV Viewership
Optoma HD33 1080p HD 3D/2D Video Projector SRP: $2999; St.:$1499
An incredible 3D home theater performer for its price.