JBL Live 780NC and Live Beam 4 headphones reviewed

Two JBL headphone models are reviewed: the over-ear JBL Live 780NC, noted for a new colorful design, many features, and good active noise cancellation with a well-calibrated price-quality ratio; and the in-ear JBL Live Beam 4, offering adaptive noise cancellation and up to 12 hours of uninterrupted audio.