SONY Microphone ECM-AC2 Calibration Mic for Home Theater A/V Systems open box 5704327099550 | eBay
miniDSP UMIK-1 Omni-directional USB Measurement Calibrated Microphone
Amazon.com: New (4,5 Meter) Calibration Mic Measurement ECM-AC2 Microphone for Sony STR-DG1000 STR-DN840 STR-DH520 STR-DH500 STR-DG910 STR-DG820 STR-DG720 STR-DG710 STR-DG600 STR-DG520 Supplied Part 154283011 : Electronics
McIntosh Labs Calibration Mic Microphone with Cable Part No. 036188 | Reverb
45 Meter Calibration Mic Measurement ECMAC2 Microphone for Sony STRDG1000 STRDN840 STRDH520 STRDH500 STRDG910 STRDG820 STRDG720 STRDG710 STRDG600 STRDG520 Supplied Part 154283011 - Newegg.com
AudioControl SA-4140i SPL Calibrated RTA microphone for iOS devices — analyze your sound system at Crutchfield
SONARWORKS SoundID Reference Speaker and Headphone 12-41467 B&H
Sonarworks Calibrated Measurement Microphone at Gear4music
Denon OEM Denon Setup Calibration Microphone Originally Shipped With AV7704, AV8805, AVRX4300H
Replacement Calibration APM7008 Microphone For Pioneer MCACC AV Home Receiver | eBay
Amazon.com: New Sony Calibration Mic Measurement Microphone 154283011 Home Theater Cinema STR-DA4600ES STR-DA3700ES STR-DN1010 STR-DN1020 STR-DN1030 STR-DN1040 STR-DN1050 STR-DN1060