EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby 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. and subsidiaries of our report dated February 27, 2004,
except as to the paragraph titled "Restatement" in Note 1, which is as of May
10, 2004, relating to the financial statements and financial statement
schedule, which appear in this Form 10-K/A-2.




Houston, Texas
May 10, 2004