Optional Accessories JBL MTA-VESAAdapter plate for the JBL wall mounts MTA-24471 and MTA-24481. color: black. JBL MTA-VESA-WHAdapter plate for the JBL wall mounts MTA-24471 and MTA-24481. color: white. JBL MTA-JBL1Adapter plate for the JBL wall mounts MTA-24471 and MTA-24481. color: black. JBL MTA-JBL1-WHAdapter plate for the JBL wall mounts MTA-24471 and MTA-24481. color: white.