EXHIBIT 4.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the reference to our firm under the caption "Experts-Independent Registered Public Accounting Firm" and to the use of our report dated March 7, 2014 in the Amendment No. 1 to the Registration Statement (File No. 333-193517) and related Prospectus of Guggenheim Defined Portfolios, Series 1147. /s/ Grant Thornton LLP ---------------------- GRANT THORNTON LLP Chicago, Illinois March 7, 2014