Roland RH-A30 open for monitoring

Weight: 250 g
Design: Invoices
Description: Design: on-ear, device type: wired headphones, design features: neodymium magnets, straight plug, plug connector: mini jack 3.5 mm, acoustic design type: open
Plug connector: mini jack 3.5 mm
Impedance: 40 ohm
Sensitivity: 95.5 dB
Included: Adapter 6.3 mm, case
Length of cable: 3.4 m
Design features: Neodymium magnets, straight plug
Device type: Wired headphones
Mount type: Headband
Max power: 1600 mW
Maximum playback frequency: 25000 Hz
Minimum repeatable frequency: 10 Hz
Technology: Dynamic
Membrane diameter: 45 mm
Type of acoustic design: Open
Sensitivity options: DB/mW
Number of drivers: 1