2AEJU-C1AC1 Desk-Mount audio control and UWB Wireless Interface Device

X1 + C1 - For Certification X1 & C1 Exported on 04/11/2022 You are using an UNLICENSED copy of Scroll PDF Exporter for Confluence . Do you find Scroll PDF Exporter useful? Consider purchasing it today: https://www.k15t.com/software/scroll-pdf-exporter X1 & C1 – X1 + C1 - For Certification – 2 Table of Contents 1SUBPAC X1 ONLINE MANUAL..............................................................................5 2Important Safeguards & Cautions 3...................................................................6 3Important Safeguards & Cautions......................................................................8 3.1Warning:....................................................................................................................................8 4Welcome to SUBPAC!........................................................................................10 5What’s In the Box?.............................................................................................11 6Connect the Remote Control I/O......................................................................12 7Charge Your SUBPAC X1 Device........................................................................14 7.1How Long Does Your Battery Last?.......................................................................................15 8Configure the Mobile App.................................................................................16 8.1Download and Install the SUBPAC Mobile App....................................................................16 8.2Initiate BLE Pairing.................................................................................................................16 8.3SUBPAC X1 Mobile App Screens............................................................................................24 8.3.1Main Menu............................................................................................................................................................24 8.3.2My Devices............................................................................................................................................................25 8.3.3Device Info............................................................................................................................................................26 8.3.4Primary App Controls...........................................................................................................................................27 8.3.5Diagnostics...........................................................................................................................................................29 9Fit and Adjust the SUBPAC X1 Modular Strapping System.............................30 9.1Seated Setuup........................................................................................................................30 9.1.1Select Your Chair..................................................................................................................................................30 9.1.2Adjust the Straps..................................................................................................................................................30 9.2Wearable Setup......................................................................................................................32 9.2.1Adjust the Wearable Strapping............................................................................................................................32 10Wake Up Your SUBPAC X1.................................................................................35 10.1Use Your Remote Control I/O................................................................................................35 10.2Use Your SUBPAC Mobile App................................................................................................36 11Establish Audio Connections............................................................................40 11.1Establish Audio Device Inputs...............................................................................................40 You are using an UNLICENSED copy of Scroll PDF Exporter for Confluence . Do you find Scroll PDF Exporter useful? Consider purchasing it today: https://www.k15t.com/software/scroll-pdf-exporter X1 & C1 – X1 + C1 - For Certification – 3 11.2Connect Your HeadphonesCAUTION: Remove your headphones before playing music. Establish volume at a moderate level before usage............................................................42 11.2.1Cabled Headphones.............................................................................................................................................42 11.2.2Bluetooth Headphones........................................................................................................................................42 12Control Your SUBPAC X1...................................................................................44 12.1Use Your Mini-Remote...........................................................................................................44 12.2Use Your SUBPAC Mobile App................................................................................................45 12.2.1Volume Controls...................................................................................................................................................45 12.2.2Feel (Descriptions of Feel Eqs?)...........................................................................................................................46 12.2.3Source...................................................................................................................................................................47 13LED Indicator.....................................................................................................49 13.1SUBPAC X1 On/Off LED Indicator..................................................…

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Corporate Headquarters 540 Howard St., 3 rd Floor, San Francisco, CA, 94105 [email protected] www.subpac.com www.subpac.com March 15,2022 Subject: Confidentiality for FCC ID: 2AEJU-X1A, FCC ID: 2AEJU-C1A, IC: 22383-X1A, IC: 22383-C1A Pursuant to FCC 47 CFR 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term X Permanent Block Diagram X Short Term Permanent Internal Photos Short Term X Permanent Operation description / theory of operation Short Term X Permanent Schematics X Short Term Permanent Owner¶s Manual SUBPAC, Inc. has spent substantial effort in developing this product and it is one of the first of its kind in the industry. Having subject information easily available to ³competition ́ would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits selected above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify Timco Engineering, Inc. in the event information regarding the product or the product is made available to the public. Timco Engineering, Inc. will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, Sarosh Kwhaja VP Systems & Architecture

AN IIA COMPANY 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 ● Certification: [email protected] ● Testing: [email protected] ● www.timcoengr.com April 13, 2022 Re: Subpac FCC ID: 2AEJU-X1A and 2AEJU-C1A Subject: Indoor Use Only Product This system is designed to only be used indoors. The UWB audio it transmitted from the Subpac C1 part of the system only. The Subpac C1 is a desk-mounted device intended to be connected to a recording console or DAW (digital audio workstation) – devices which are only used indoors. In addition, the C1 is not weather resistance at all and should not be used outside. Sincerely, Sharon Hoffman Agent, Timco Engineering, Inc.

Corporate Headquarters 540 Howard St., 3 rd Floor, San Francisco, CA, 94105 [email protected] www.subpac.com www.subpac.com Date: 03/15/2022 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, FL 32669 SUBJECT: Application(s) for Certification for FCC ID: 2AEJU-X1A and 2AEJU-C1A IC: 22383-X1A IC: 22383-C1A To Whom It May Concern: We, the undersigned, hereby authorize Sharon Hoffman at TIMCO ENGINEERING, INC. on our behalf, to apply for certification on our equipment referenced above. Any and all acts carried out by TIMCO ENGINEERING, INC. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti- Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Sarosh Kwhaja VP Syetems & Architecture

Applicant: Subpac Inc. FCC ID: 2AEJU-C1A IC: 22383-C1A External Photos

C1 LABEL centered horizontally 38.3mm 38.3mm 31mm Sticker or Adhesive Label: Black Printed Artwork: PANTONE 11-0601 TPX BRIGHT WHITE 2.5mm 2.8mm 57mm 2.5mm 42.1mm 2.8mm

Applicant: Subpac Inc. FCC ID: 2AEJU-C1A IC: 22383-C1A Internal Photos

Timco Test Report # TR_0532-22_RF Exp SAR Exclusion Rpt _ Revision: 6 An IIA Company Te s t Report - RF Exposure Evaluation Report for SAR Exclusion Applicant: SUBPAC Inc. Approved for Release By: Signature: Name & Title: Bruno Clavier, General Manager Date of Signature 4/19/2022 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 2 of 8 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). Table of Contents 1. CUSTOMER INFORMATION ........................................................................................................................................................................... 3 2. LOCATION OF TESTING ................................................................................................................................................................................. 3 2.1 TEST LABORATORY .................................................................................................................................................................................................... 3 2.2 TESTING WAS PERFORMED, REVIEWED BY ................................................................................................................................................................4 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 5 3.1 DESCRIPTION OF THE EUT ........................................................................................................................................................................................ 5 SAR EXCLUSION CALCULATION: .............................................................................................................................................................................. 6 4. HISTORY OF TEST REPORT CHANGES ........................................................................................................................................................ 7 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 3 of 8 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 1. Customer Information Applicant: SUBPAC Inc. Address: 540 Howard Street San Francisco, California, 94105, United States 2. Location of Testing 2.1 Test Laboratory Timco Engineering Inc. is a subsidiary of Industrial Inspection & Analysis, Inc. (“IIA”). Testing was performed at Timco’s permanent laboratory located at 849 NW State Road 45, Newberry, Florida 32669 FCC test firm # 578780 FCC Designation # US1070 FCC site registration is under A2LA certificate # 0955.01 ISED Canada test site registration # 2056A EU Notified Body # 1177 For all designations see A2LA scope # 0955.01 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 4 of 8 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 2.2 Testing was performed, reviewed by Dates of Testing: 1/27/2022 – 2/4/2022 Signature: Name & Title: Tim Royer, EMC Engineer Date of Signature 4/19/2022 Signature: Name & Title: Kristoffer Costa, EMC Technician Date of Signature 4/19/2022 Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 5 of 8 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). 3. Test Sample(s) (EUT/DUT) The test sample was received: 1/27/2022 3.1 Description of the EUT A description as well as unambiguous identification of the EUT(s) tested. Where more than one sample is required for technical reasons (such as the use of connected units for the purpose of conducted output power testing where the product units will have integral antennas), each specific test shall identify which unit was tested. Identification Identification FCC ID 2AEJU-C1A Brief Description C1 Desk-mount audio control and UWB wireless interface device Model(s) # SUBPAC C1 Firmware version n/a Software version n/a Serial Number n/a Technical Characteristics Technical Characteristics Technology n/a Antenna Connector 5VDC USB Type C Voltage Rating (AC or Batt.) n/a Simultaneous transmission NO Antenna Characteristics Antenna Characteristics Frequency Range Mode / BW Antenna Gain 6674.9 – 7475.9 n/a 0 dBi Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 6 of 8 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). SAR EXCLUSION CALCULATION: SAR EXCLUSION CALCULATION: SAR Exemption 447498 D04 Interim General RF Exposure Guidance v01 Equation found in FCC Part 1.1310 (b)(c)(d) SAR Exemption 447498 D04 Interim General RF Exposure Guidance v01 Sec. 2.2.1 (1mW) Conclusion: SAR testing is not required. MPE Frequency Band Separation Distance (mm) Max Power + Tolerance (dBm) Max Power + Tolerance (mW) SAR Exclusion Value Limit for 1-g SAR Limit for 10-g SAR (Extremeties) 6600-7800 MHz 5 -0.570.880.49 3.0 7.5 SAR Exclusion SAR EXEMPT Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 7 of 8 This test report shall not be reproduced excep…

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Timco Test Report # TR_0532-22_FCC_15F Ultra_Wideband Operation_2 Revision: 2 An IIA Company Te s t Report – FCC 15F Ultra_Wideband Operation Applicant: SUBPAC Inc. Approved for Release By: Signature: Name & Title: Bruno Clavier, General Manager Date of Signature 4/19/2022 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. Timco Engineering, Inc., an IIA Company 849 NW State Road 45, Newberry, Florida 32669 (352) 472-5500 / [email protected] Page 2 of 31 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc. (IIA). Table of Contents 1. CUSTOMER INFORMATION ........................................................................................................................................................................... 3 1.1 TEST RESULT SUMMARY ............................................................................................................................................................................................ 3 2. LOCATION OF TESTING ................................................................................................................................................................................. 4 2.1 TEST LABORATORY ....................................................................................................................................................................................................4 2.2 TESTING WAS PERFORMED, REVIEWED BY ................................................................................................................................................................ 5 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 6 3.1 DESCRIPTION OF THE EUT ........................................................................................................................................................................................ 6 3.2 CONFIGURATION OF EUT ......................................................................................................................................................................................... 7 3.3 TEST SETUP OF EUT .................................................................................................................................................................................................. 7 4. TEST METHODS & APPLICABLE REGULATORY LIMITS ............................................................................................................................ 8 4.1 TEST METHODS/STANDARDS/GUIDANCE ................................................................................................................................................................ 8 5. MEASUREMENT UNCERTAINTY .................................................................................................................................................................... 8 6. ENVIRONMENTAL CONDITIONS ................................................................................................................................................................. 8 7. LIST OF TEST EQUIPMENT AND TEST FACILITY ........................................................................................................................................ 9 8. TEST RESULTS ................................................................................................................................................................................................. 10 8.1 OCCUPIED BANDWIDTH .................................................................................................................................................................................. 11 8.1.1 Test Data: 10 dB Occupied Bandwidth Measurement Plot, 6674.6 MHz ............................................................................... 12 8.1.2 Test Data: 10 dB Occupied Bandwidth Measurement Plot, 7475.9 MHz ................................................................................ 13 8.1.3 Test Data: 10 dB Occupied Bandwidth Measurement Plot, 7741.9 MHz ................................................................................ 14 8.1 UWB BANDWIDTH ............................................................................................................................................................................................. 15 8.1.1 Test Data: UWB Bandwidth Measurement Plot ............................................................................................................................. 16 8.2 RADIATED FIELD STRENGTH OF SPURIOUS EMISSIONS .......................................................................................................................................... 17 8.2.1 Radiated Emissions, 6674.6 MHz ....................................................................................................................................................... 18 8.2.2 Radiated Emissions, 7475.9 MHz ....................................................................................................................................................... 19 8.2.3 Radiated Emissions, 7741.9 MHz....................................................................................................................................................... 20 8.3 RADIATED FIELD STRENGTH OF SPURIOUS EMISSIONS .......................................................................................................................................... 21 8.3.1 Radiated Emissions of 1164 - 1240 MHz for 6674.6 MHz Fundamental .......................…

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ANNEX B – Test Setup Photograph Exhibit SUBPAC Inc. Model: SUBPAC C1 FCC ID2AEJU-C1A Radiated Testing, Table Setup Radiated Testing, Below 1 GHz #1 Radiated Testing, Below 1 GHz #2 Radiated Testing, Above 1 GHz AC Powerline Conducted Testing