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

Earthquake Sound reserves the right to amend details of the specifications without notice. Copyright © Earthquake Sound Corporation Earthquake Sound Corporation • 2727 McCone Avenue Hayward CA, 94545 • Phone: 510-732-1000 Fax: 510-732-1095 BLACK GNDORANGE ANTRED B+ For Easy On-line registration, Go To "Table of Content Page# 3……Warranty Guidelines Page# 4……Focus Component Features, Specifications and Mounting Information Page# 5……Focus Component Included Items Page# 6……Focus Coaxial Included Ite

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

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

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

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