Forester Solutions Inc FM NC 4 00 57100.001 F Style Black, NC 86 Amp Hour the ENH1750EXT can be configured 28844 the ENH1750EXT can be configured with the same Mesh SSID and security password in order to associate with other ENH1750EXTs as well as connect with clients under the same SSID and security encryption signatures injection molded woofers with butyl rubber surrounds enable extended bass outputEasy to install tab mounting design enables flush mounting in walls or ceilingsFrequency response: 40 Hz to 23 kHzSensitivity: 92 dB @ 1 watt 1 meterRecommended power: 10 watts to 150 watts per channelImpedance: 8 ohmsGold plated binding postsDimensions: 9 in W6 handset has an amplified receiver controlled by a rotary (thumb wheel) volume control Improve listening volume up to 20 dB for clearer reception