Multi-function Pre-amplifier PA-400PR

2026-07-28 14:24:48

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“ 19” rack mount multi-function pre-amplifier,Multiple Audio Inputs: Equipped with 10 inputs, including 5 microphone inputs, 3 line inputs, 1 emergency input,and 1 short-circuit alarm input Abundant Audio Outputs: Provides 4 RCA output jacks for simultaneous connection to 4 power amplifiers,supporting multi-device integration ”

Features:

19” rack mount multi-function pre-amplifier
Multiple Audio Inputs: Equipped with 10 inputs, including 5 microphone inputs, 3 line inputs, 1 emergency input,and 1 short-circuit alarm input
Abundant Audio Outputs: Provides 4 RCA output jacks for simultaneous connection to 4 power amplifiers,supporting multi-device integration
Flexible Volume and Tone Adjustment: Independent volume control for each input channel, plus dedicated treble and bass controls
Multi-Power Support: Supports wide AC input range of 100~240V for global compatibility
Microphone inputs include reverb adjustment. MIC4 and MIC5 support 48V phantom power with dedicated switch control
Three-Level Priority Settings: Emergency input (EMC) has highest priority, followed by MIC1 & ALARM short-circuit inputs. Other channels attenuate to -60dB when priority channels are active

Specifications:

Model	PA-400PR
Description	10 inputs multi-function pre-amplifier
Microphone Input	MIC1~3: 600ohms 10mV(Unbalanced)
Microphone Input	MIC4/MIC5: 600ohms 10mV(Unbalanced)
Audio Output	MIC4/MIC5: 48V Phantom Power
Line Input	AUX1~3: 10K ohms 300mV(Unbalanced)
EMC Emergency Input	EMC: 10K ohms 500mV(Unbalanced)
Audio Output	0.775V(0dB)
Frequency Response	20Hz-20KHz(±3dB)
Sound Quality Adjustment	Bass：100Hz(±10dB), Treble：10KHz(±10dB)
Distortion	THD: <0.5%
Signal-to-Noise Ratio	Line：>80dB, Microphone：>65dB
Priority	EMC>MIC1&ALARM>Other
Power Consumption	< 10W
Power Input	AC100~240V 50/60Hz
Power Cord	30.5mm² 1.5M
Unit Dimensions	480(W)200(D)45(H)mm
Package Dimensions	515(W)380(D)100(H)mm
Net Weight	2.2kg
Gross Weight	2.8kg