4U2SET is designed for sound engineers as their vital tool. Incorporating real time 2 channels analyzer, 4U2SET can perform new tasks that single channel analyzer cannot. With it’s "REAL" real time performance, it can read more dynamic signal than the others.

Standards:
- ANSI S1.4 - 1983 reaffirmed by ANSI 10-July-2001 Type 1 (with Type 1 microphone)
- ANSI S1.43 - 1997 Type 1 (with Type 1 microphone)
- IEC 61672-1(2002) Class 1
- IEC 61260 (1995) Class 0
- IEC 60651 (Edition 1.2, 2001) Type 1 (with Type 1 microphone)

Measurement Microphone:
- Electret Free-Field 1/4" microphone, Type 2

ANALOG Input:
- Line Level (-70~+30dBu) with PAD

Measurement Range:
- Linear Operating Range
- 60dB display range, 100dB of total range.
- Sound Pressure Level from 30dB to 130dB
- Line Level from –70dBu to +30dBu

Display Range:
- Switchable, 100dB, 80dB, 60dB, 40dB

Data Storage and Port:
- Data store in Flash RAM
- 60 files for RTA and Average, 8 files for EQ Target, and 60 files for EQ curves.
- Data port RS232

Overload and under range detector:
- Overload - 6dB below clipping, 130dB SPL
- Under range - Under 30dB SPL
- Inherent Noise Level - 3dB lower than lowest measurement range

Power:
- Rechargeable Battery
- Built-in Rechargeable Li-Ion Polymer, 1500mAH, 500 recharge cycle lifetime
- Power down standby time 72 hours, or 3 days
- 3 hours continuous operation with backlight off. 2.5 hours continuous operation with backlight set at maximum
- Charging time - 2 hours for 90%, 3 hours for 100%
- Proprietary battery charger included.
- 100~240VAC auto switching, 5VDC@ 1.5A

Supplied Accessories:
- 2 measurement microphones
- 2 microphone suspension
- 2 microphone cable (25 cm & 3 M)
- RS 232 cable
- Line level Input PAD adapter
- Mounting Bracket with screws
- Carry Case
- Table stand (for mounting main unit only)
- Multifunction pen
- 2 microphone battery (4LR44)
- Noise Source CD, including driver for PC
- Battery Charger
- User Manual

Dimension and Weight:
- 158 x 80 x 24mm , 220g