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

(G) Disputes Resolution: All disputes - between clients and Earthquake Sound Corporation - resulting from the five (5) years limited warranty policy must be resolved according to the laws & regulations of the county of Alameda -California. Your subwoofer(s) be registered by returning the Product Registration card attached to this manual or by visiting Please also retain the bill of sale, which represents proof of purchase and helps expedite warranty issues. Specifications are subject to change w

Shipper claims regarding items damaged in transit must be presented to carrier. Earthquake Sound Corporation reserves the right to refuse improperly packed product. Original bill of sale must accompany product returned for service. We encourage you to include with the package a written description of the problem. Ship product to: Earthquake Sound Corp. 2727 Mc Cone Avenue, Hayward, CA 94545. Ph (510) 732-1000. You are responsible for the cost of shipping the product to Earthquake Sound Corporati

DBXI-15/15D #1 #1 Bass head design for competition #2 Port tuned design for deep bass #3 Sealed design for tight bass Ported box Recommendation: 3.5-4.2cu.ft. 22” 18” 22.5” 16.5” Sealed box Recommendation: 2.0-2.5cu.ft. 18” 18” 16” DBXI-15D Ported box Recommendation: 2.2-2.5cu.ft. 23” 18” 14” 9” DBXI-15D PORT (3”x12.5”x16.5”)Internal dimensionsDBXI-15D PORT (2”x16.5”x9”)Internal dimensions #4 #4 Passive tuned design for deep bass small volume VB = 2.5cu.ft. FB = optimized with SLAPS-15 passive D

Earthquake Sound Corporation reserves the right to refuse improperly packed product. Original bill of sale must accompany product returned for service. We encourage you to include with the package a written description of the problem. Ship product to: Earthquake Sound Corp. 2727 Mc Cone Avenue, Hayward, CA 94545. Ph (510) 732-1000. You are responsible for the cost of shipping the product to Earthquake Sound Corporation. (G) Disputes Resolution: All disputes - between clients and Earthquake Sound

Sound pressure levels exceeding 85dB can be dangerous with constant exposure. Earthquake Sound Corporation does not assume liability for damages resulting from the direct use of DBXI or other Earthquake products , and urges users to play sound systems at moderate listening levels for every day use. DBXI DUAL & VOICE COIL SUBWOOFER SPECIFICATIONS DRIVER: DBXI-10 DBXI-12 DBXI-15DBXI-10D DBXI-12D DBXI-15D Free Air Resonance (Fs) 28 Hz 27 Hz 25 Hz 24 Hz 21 Hz 20 Hz Electrical “Q” (Qes) 0.497 0.497 0

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

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

10 Earthquake Sound Corp. | (510) 732-1000 | Speaker Wire Connections Use 3 meter 1/4” TS to 1/4” TS speaker cable included in the IQ-52 package to connect the left and right speakers via the 1/4” TS jacks on the back of each speaker. Connecting to a Computer Sound Card or Other Audio Output Device Before connecting the IQ-52 Powered Speaker System, make sure the power from the computer or other output device has been turned off and the IQ-52 system is also turned off. Plug the RCA cable to the