Wall paging microphone (flush or surface mounting). With talk button and sensitivity adjustment. Power supply 24 V DC. Maximum consumption of 90 mA. Audio outputs with nominal level of 4.4 Vpp (+6 dBu). Frequency response 200 ~ 15,000 Hz. 2-channel audio switching. Terminal block connector. Dimensions 144 x 82 mm. OPTIMUS model ref. 2694M.
Boundary type electret microphone. Battery (1 x 1.5 V CC) or phantom power. Unidirectional cardioid. Output impedance 250 ohms at 1 kHz. Frequency Response 50 ~ 18,000 Hz. Sensitivity -68 dB + / - 3 dB at 1 kHz. Includes adaptor cable (0.5 m) with a black battery holder and XLR/DIN cable of 7 m length. Metal, colour black. OPTIMUS model ref. PHM-902.
Electret lavalier microphone with built-in clip and cable of 2 m length. Omnidirectional. Output impedance of 1.000 ohms at 1 kHz. Frequency Response 60 ~ 16,000 Hz. Sensitivity -65 dB at 1 kHz. 6.35 mm jack plug for connection to the amplifier. Metallic black colour. Metallic battery holder, golden colour. OPTIMUS model ref. TCM-130
High sensitivity electret microphone mounted on a threaded brass cylinder, for recessed installation to capture the ambient sound, and preamplifier with balanced signal output and selectable sensitivity (0, -30, -60 dB) in a separate metal box. It includes a power supply. OPTIMUS ref.ME-PS1 model.
Monitoring microphone with preamplifier in a plastic box
High sensitivity electret microphone and preamplifier with balanced signal output and selectable sensitivity (0, -30, -60 dB) in a plastic box. It includes a power supply. OPTIMUS ref.ME-PS2 model.