Dorrough SUR 5.1 340-B6 Desktop Box with Six 340-C Analog Meters for 5.1

The Dorrough SUR 5.1 340-B6 Custom Desktop Box includes six 340-C analog meters for 5.1

The Dorrough 340-C straight line vertical single channel Loudness Monitor has an extended 20dB of headroom. External power supply included. Two XLRs for right and left audio inputs. This Dorrough series are third-generation Loudness Monitors providing the same basic display ballistics as the original classic Model 40 but with added audio monitoring functions.