Hanwha - HNW-SS-804 - Line Level Ceiling Mounted Microphone, 12VDC, 30Hz-15kHz

Product Overview

The Hanwha HNW-SS-804 is an indoor, line-level ceiling microphone for security systems, offering omni-directional pickup across a 12ft radius. It features a 30Hz to 15kHz frequency response, -38dB ±2 sensitivity, and 2.2KΩ impedance. Powered by 12VDC (20mA), it easily connects to any IP camera supporting line-level audio input.

Key Configuration

• Sensitivity: -38dB ±2
• Frequency response: 30Hz - 15kHz
• Power requirements: 12Vdc, 20mA
• Output impedance: 2.2KΩ
• Pickup pattern: Omni-directional, approximately 12ft radius

Key Features

Featuring a 60 dB signal-to-noise ratio, this microphone surface-mounts seamlessly to walls or ceilings with no exposed screws or connectors. It operates reliably from -25°C to 70°C and is compatible with IP cameras and recorders supporting line-level or "mic in" inputs. 

Technical Context

SS-804 provides line-level audio output and must be connected to IP camera line-level inputs using shielded 18/2 or 22/2 AWG cable. Connect +/– terminals for signal and ground, and power the unit separately with 12V DC. Enable audio in the camera settings. Its omni-directional mic captures sound up to ~12 ft in all directions for room-level monitoring.

Installation Notes

Compact indoor surface-mount device with polycarbonate housing. Dimensions: 79 × 25 mm (3 1/8" × 1"), weight: 227 g. Suitable for interview rooms, retail checkout areas, and convenience stores, it is typically used for evidence gathering, alarm verification, and service monitoring.