Set your audio system to a comfortable loudness level. Earthquake Sound Corporation does not assume liability for damages resulting from the direct use of Earthquake amplifiers or other Earthquake products and urges users to play their music at moderate listening levels. 3 2 1 -1 1/2 1 1/2 1/4 or less 8 6 4 97 100 102 105 110 115 90 92 95 THE CHART (ON THE SIDE) SHOWS THE U.S. GOVERNMENTS OCCUPATIONAL SAFETY AND H E A LT H A D M I N I S T R AT I O N ( O S H A ) REGULATIONS WHICH WERE IN EFFECT A

and have no affiliation with Earthquake Sound Corp. Frequently Asked Questions: Question: All is on but why is it not playing any music? Answer: If you connected all items correctly and your audio is not coming through the speakers, check the input selection to ensure that the correct source is selected. Question: Why won’t the video display? Answer: The Video Processor in the IQ-52 system may not play all devices with video capabilities. Question: Why is the remote control not working? Answer:

Where Rt= Resistance seen by amplifier Series formula: Example for Dual-4 series 8-Ohm 4-Ohm VC. 4-Ohm VC. Example for single-4 4-Ohm Example Dual-4 Parallel 4-Ohm VC. 4-Ohm VC. 2-Ohm Study sample diagrambelow, then follow charts to the left. EARTHQUAKE SOUND • PARALLEL WIRING CONFIGURATIONS DBXI ENCLOSURE DESIGNS 6.417” 163mm 10.80” 274.5mm 9.84” 250mm 6.2 158.75mm5” DB IDBXI- 10D X 10 6.417” 163mm 12.91” 328mm 11.889” 302mm 6.75 171” .45mm DBXI-12 DBXI-12D Dimensions shown are external .75” MD

| (510) 732-1000 | RCS-650 RCS-800 Introduction Congratulations on your choice of RCS Series In-Ceiling Speaker systems, one of Earthquake’s most valued in-ceiling speaker lines. With the proper installation and operation RCS speakers will provide a life a time of durability and high-end performance. It is important that you follow all installation and mounting instructions and recommendations in this manual closely and carefully to insure optimal performance operation and longevity. Features •

1.5" 38.6mm Thiele & Small Parameters Resonant Frequency (fo) DC resistance (Re) Coil Inductance (Le) Mechanical Q (Qms) Electromagnetic Q (Qes) Total Q (Qts) 395Hz ±15% 6.5 Ohms 367.888m mH 3.896 1.662 1.165 Compliance Equivalent Volume (Vas) .75 liters / .0624 cu.ft. Mechanical Compliance of Suspension (Cms) 11.806mm/N BL Product (BL) 11.557 T-M Diaphragm Mass (Mmd) 12.001 grams Maximum Linear Excursion (Xmax) 1.6 mm Surface Area of Cone (Sd) 211.241cm Mounting Information Recommende

Copyright © Earthquake Sound Corporation Earthquake Sound Corporation • 2727 McCone Avenue Hayward CA, 94545 • Tel 510-732-1000 Sound That Will Move You. TABLE OF CONTENTS Our Thank You................................................................................ 2 Cautions and Advisories................................................................. 2 Signal Sensing Feature.................................................................. 3 Specifications....................................

Hayward, CA 94545.USA US Toll Free: 1-800-576-7944 | Tel: 510-732-1000 | Fax: 510-732-1095 Earthquake warrants the original purchaser that all Factory Sealed New Audio Products be free from defects in material and workmanship, under normal and proper use, for a period of ninety (90) days from the date of purchase (as shown on the original sales receipt with serial number affixed/written on it). The ninety (90) day warranty period is valid only if an authorized Earthquake dealer properly installs

The USB connection is so that you can easily sync your portable device with your computer S-Video connects to your TV so that you can play videos from your portable media device. In order to hear volume from both speakers you need to connect to the other speaker’s back plate using the provided 1/4” TS output. Serial Number: AuxA C Ou tlet 120 VAC 60Hz 0.2A RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION O. fcnNl o, rath cirAemC U S VOLUME INPUT SELECTOR LINE IN L R OUTPUT TO SPEAKER S-VIDEO OUT POWER

LOW LEVELINPUTS: Low level inputs range of 0.2V to 5V RMS. This is where the front and rear RCA outputs from your head unit or other devices are inserted. with a R C A l i n e t h r o u g h t o c a s c a d e a n o t h e r amplifier. N o X o v e r point. 2-WAY 12dB/Oct VARIABLE XOVER: C o n t r o l t h e corresponding channels cutoff frequencies. This feature is disabled when in FULLRANGE This information applies to both HPF and LPF FC6.2 FC6.2 FC6.2 Xover FC6.2 Xover FC6.2 Midrange FC6.2 Midrang