Bluedio R&D team continues the legend of its world first 8 driver units headphone, launches the R2-WH wired headphones. The 8 driver units composed of 2 50mm 50Ω woofers and 6 32Ω 3D speakers, bring you balance and clear sound quality, it"s a smart choice of professional user. Without DSP(Digital Signal Processing), Bluedio strive to transmit Hi-Fi music in R2-WH, revert to most original music. Independent bass and tweeter speakers of R2-WH composed of 5Hz-25kHz wide range frequency range, created wide range frequency response, revealed the power of R2-WH. 1.Bluedio 8 driver units creates 8 tracks Headphones 2.High fidelity monitoring headphones 3.Wide range frequency response 4.Exposure to the scene by PPS8 effect Bluedio R2-WH Technical Specification: Distortion: 0.2% (THD) Maximum Output Power: 50mW Input Power: 30mW Speaker Sensitivity: 114dB (±3dB) Frequency Range: 5Hz-25 kHz Body Size:7.48x7.48x2.28 inch Box Size:11.02x6.49x3.62 inch Accessories Bluedio R2-WH Wired Headphone 1pc 1.5m(3.5mm plug)Audio Cable(for Apple and Samsung devices) 1pc 1.5m Audio Cable 1pc Extension Cable Pouch 1pc User Manual 1pc