EX-23.1 2 h15312exv23w1.txt CONSENT OF DELOITTE & TOUCHE LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-54394, No. 33-46386, No. 33-85304, No. 333-14231, No. 333-24125, No. 333-80297, No. 333-80299, No. 333-36264, No. 333-49382, No. 333-60950 and No. 333-112677) and S-3 (No. 333-112263) of Input/Output, Inc. of our report dated November 17, 2003, relating to the consolidated financial statements of GX Technology Corporation, appearing in this Form 8-K. /s/ Deloitte & Touche LLP Houston, Texas May 11, 2004