Russian audio brand Radiotehnika has introduced its Cometa TB-22C in-ear headphones featuring a unique coaxial dual-driver design. Priced at 2490 rubles (around $33), these earbuds combine a 6mm titanium diaphragm for highs and a 10mm graphene diaphragm for bass, offering a frequency response from 20 Hz to 22 kHz. With 16 ohms impedance and 105 […]