P-448 4 in 8 out Digital Audio Professional Processor
4 Input 8 Output Processor

P-448 4 in 8 out Digital Audio Professional Processor

Item No.: P-448 Pro
Type: 4 Inputs and 8 outputs
Voltage: AC90V-AC250V
Frequency range: 20Hz-20KHz
32-bit floating point DSP
8 Parametric equalizers for each input and output
With USB, RS232 socket;
Packing size:32x55x10cm 
GW: 4kg
Electronically balanced
AES/EBU fitted as standard
Impedance >10k ohms
CMRR >65dB 50Hz – 10kHz
All electronically balanced 
AES/EBU fitted as standard
Source Imp
< 60ohms
Minimum Load
Maximum Level
+20dBm into 600 ohm load
Frequency Response


±0.5dB 10Hz – 32kHz
Dynamic Range
>116dB 20Hz -20kHz. 
< 0.001% @ 1kHz, +10dBm
Maximum Delay
650 mS. (increment 0.325 µs steps)

Output gain Adjustable

+15dB to -40dB in 0.1 dB steps and mute

Filters Parametrics – 8 Per input / 9 per output
Additional filters 28-band graphic on each input
Each parametric can be switched to Bandpass, Allpass, Notch, VariQ, Shelf and Elliptical response
Phase filtering – 2 degree steps on each input and output

Crossover Filters
Bessel / Butterworth 6/12/18/24/48dB per octave
and Linkwitz-Riley 12/24/48dB per octave

Threshold +22dBu to -10dBu
Attack time 0.3 to 90 milliseconds
Release time 4, 8, 16 or 32 times the attack time

Clip/D-max Limiter
Look-ahead attack time, Fast, Medium or Slow release times

Inputs 3 pin female XLR
Outputs 3 pin male XLR
RS485 In/Out XLRs
RS232 9 Pin (Female) D Connector

3 pin IEC
Power 60VAC – 240VAC
Consumption < 40 watts

Net Weight 3.5kg
Size 44 x 482 x 305mm(excluding connectors)





4 Inputs and 8 outputs P-448 Professional Digital DSP Audio Processor


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