Samson QH4 4-Channel Headphone Amplifier ( เครื่องขยายสัญญาณหูฟัง 4 ช่อง สำหรับใช้งานกับหูฟังจำนวน 4 ชุด ) จัดส่งฟรี
SAMSON QH4 4-Channel Headphone Amplifier
Feature.
4-channel stereo headphone distribution amplifier
Four independent 1/4 stereo headphone channels
Individual volume control on each headphone channel
Two balanced 1/4 input connectors
Stereo 1/8 Aux input and output
Master Mute and Mono-summing switches
Specifications
Inputs: 2 x 1/4 balanced stereo 1/8 unbalanced TRS
Outputs: 4 x stereo 1/4 unbalanced stereo 1/8 unbalanced TRS
Controls: Master volume master Mute master Mono 4 x Channel volume
Noise Floor: -114dBu 22k BW unweighted
Maximum Output: 8.3 dBu 1% THD+N loaded 16R
Output Power: 282mW per side / 564mW per channel loaded 32Ω
Dynamic Range: 22dB 22k BW
Frequency Response: 17Hz–47kHz (-3dB)
Power: 15VDC adapter