2AD38SBT2003BKMULTIMEDIA SPEAKER

User Manual MULTIMEDIA SPEAKER FCCID: 2AD38SBT2003BK METEC ELECTRONICS CO., LTD. Building D, No. 4 Industrial Zone of Shasan Village, Shajing Town, Bao’an District, Shenzhen, China Warning： This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. MODEL NO: SBT2003BK 2.1 MULTIMEDIA SPEAKER 5.Adaptor plug one end of adaptor into the red light in the rear panel lights up. Ratating BT/AUX knob to select between bluetooth and AUX input. power input on the rear panel of the woofer, the other end into the power socket. 4 E. BT/AUX G. BASS+/- F. VOLUME+/- 3 DC:12V/1.0AC F E G VOLUME BASS BT AUX Rotate the knob to select bewteen Bluetooth and AUX input. Bluetooth input with blue light indication, AUX input with red light indication Adjust overall volume Adjust bass Output Power Frequency response Impedance Signal to Noise ratio Separation Subwoofer drive Satellite speaker drive Power : 10W + 3W x 2 : 40Hz - 20KHz : Subwoofer 6 Ohm Satellite 8 Ohm : ≥80dB : ≥45dB : 4 inch : 2inch : AC100-240V 60/50Hz back 4 Built in Bluetooth Po Adaptor er SUPER BASS 2.1CH MULTIMEDIA SPEAKER

Long Term Confidentiality Request Letter Date: February 2, 2015 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: METEC ELECTRONICS CO., LIMITED FCC ID: 2AD38SBT2003BK Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. METEC ELECTRONICS CO., LIMITED requests that the following documents regarding this submission for FCC ID: 2AD38SBT2003BK be kept confidential: Those documents contain detailed system and equipment description and related information about the product which METEC ELECTRONICS CO., LIMITED considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, METEC ELECTRONICS CO., LIMITED considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Signatory Su chuan METEC ELECTRONICS CO., LIMITED Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdf Operational Description Operational Description.pdf Part list BOM.pdf

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FCC ID: 2AD38SBT2003BK Label Location on EUT FCC ID Label: Size: 30mm * 40 mm M/N: MULTIMEDIA SPEAKER FCC ID: 2AD38SBT2003BK Applicant: METEC ELECTRONICS CO., LTD. Address: Building D, No. 4 Industrial Zone of Shasan Village, Shajing Town, Bao’an District, Shenzhen, China

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FCC Report Application Purpose : Original grant Applicant Name: : METEC ELECTRONICS CO., LTD. FCC ID : 2AD38SBT2003BK Equipment Type : MULTIMEDIA SPEAKER Model Name : SBT2003BK, EM-31XXT (XX instead of 01-99) Report Number : FCC15019625 Standard(S) : FCC Part 15 Subpart C Date Of Receipt : January 19, 2015 Date Of Issue : January 29, 2015 Test By : ( Neil Wong) Reviewed By : ( Robie Chen) Authorized by : ( Michal Ling) Prepared by : Shenzhen WST Testing Technology Co., Ltd. 1F,No.9 Building,TGK Science & Technology ParkYangtian Rd., NO.72 Bao'an Dist.,GuangDong,China Page 2 of 66 Report No.: FCC15019625 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / January 29, 2015Valid Original Report Page 3 of 66 Report No.: FCC15019625 Table of Contents Page 1. GENERAL INFORMATION 5 2. TEST DESCRIPTION 7 2.1 MEASUREMENT UNCERTAINTY 7 2.2 DESCRIPTION OF TEST MODES 8 2.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING 9 2.4 CONFIGURATION OF SYSTEM UNDER TEST 9 2.5 PERIPHERALS EQUIPMENT LIST 9 2.6 DESCRIPTION OF SUPPORT UNITS (CONDUCTED MODE) 10 3. SUMMARY OF TEST RESULTS 11 4. MEASUREMENT INSTRUMENTS 12 5. EMC EMISSION TEST 13 5.1 CONDUCTED EMISSION MEASUREMENT 13 5.1.1 POWER LINE CONDUCTED EMISSION LIMITS 13 5.1.2 TEST PROCEDURE 14 5.1.3 DEVIATION FROM TEST STANDARD 14 5.1.4 TEST SETUP 14 5.1.5 EUT OPERATING CONDITIONS 14 5.1.6 TEST RESULTS 15 5.2 RADIATED EMISSION MEASUREMENT 17 5.2.1 RADIATED EMISSION LIMITS 17 5.2.2 TEST PROCEDURE 17 5.2.3 DEVIATION FROM TEST STANDARD 18 5.2.4 TEST SETUP 19 5.2.5 EUT OPERATING CONDITIONS 20 5.2.5.1 RESULTS (BELOW 30 MHZ) 21 5.2.5.2 TEST RESULTS (BETWEEN 30M – 1000 MHZ) 22 5.2.5.3 TEST RESULTS(1GHZ TO 25GHZ) 24 6. NUMBER OF HOPPING CHANNEL 6.1 APPLIED PROCEDURES / LIMIT 32 6.2 TEST PROCEDURE 32 6.3 DEVIATION FROM STANDARD 32 6.4 TEST SETUP 32 6.5 EUT OPERATION CONDITIONS 32 6.6 TEST RESULTS 33 7. AVERAGE TIME OF OCCUPANCY Page 4 of 66 Report No.: FCC15019625 Table of Contents Page 7.1 APPLIED PROCEDURES / LIMIT 34 7.2 TEST PROCEDURE 34 7.3 DEVIATION FROM STANDARD 34 7.4 TEST SETUP 35 7.5 EUT OPERATION CONDITIONS 35 7.6 TEST RESULTS 36 8. HOPPING CHANNEL SEPARATION MEASUREMENT 8.1 APPLIED PROCEDURES / LIMIT 38 8.2 TEST PROCEDURE 38 8.3 DEVIATION FROM STANDARD 38 8.4 TEST SETUP 38 8.5 EUT OPERATION CONDITIONS 38 8.6 TEST RESULTS 39 9. BANDWIDTH TEST 9.1 APPLIED PROCEDURES / LIMIT 45 9.2 TEST PROCEDURE 45 9.3 DEVIATION FROM STANDARD 45 9.4 TEST SETUP 45 9.5 EUT OPERATION CONDITIONS 45 9.6 TEST RESULTS 46 10. PEAK OUTPUT POWER TEST 10.1 APPLIED PROCEDURES / LIMIT 52 10.2 TEST PROCEDURE 52 10.3 DEVIATION FROM STANDARD 52 10.4 TEST SETUP 52 10.5 EUT OPERATION CONDITIONS 52 10.6 TEST RESULTS 53 11. ANTENNA APPLICATION 54 12. EUT TEST PHOTO 55 13. PHOTOGRAPHS OF EUT 57 Page 5 of 66 Report No.: FCC15019625 1. GENERAL INFORMATION GENERAL DESCRIPTION OF EUT Test Model SBT2003BK Derivative Model Name EM-31XXT（XX instead of 01-99） Model difference All models are identical in circuitry and electrical, mechanical and physical construction, only different on model name and color. All tests are carried out on SBT2003BK. Applicant METEC ELECTRONICS CO., LTD. Address Building D, No. 4 Industrial Zone of Shasan Village, Shajing Town, Bao’an District, Shenzhen, China Manufacturer SHENZHEN BEYEAR APPLIANCE CO., LTD. Address Building D, No. 4 Industrial Zone of Shasan Village, Shajing Town, Bao’an District, Shenzhen, China Equipment Type MULTIMEDIA SPEAKER Brand Name Hardware version: EM-3112-1-AMP-DATE141223 94V0 VER1.0 Software version: VER1.0 Extreme Temp. Tolerance -10 to +50°C°C Operating Voltage Input: AC 100-240V 50/60Hz 0.5A Max. ≤110W Adapter 1 Information: Model: ZFXPA01000120 Input: AC 100–240 V, 50-60 Hz, 0.5A Output: DC12.0 V 1000mA Adapter 2 Information: Model: SK02G-1201000U Input: AC 100–240 V, 50-60 Hz, 0.3A Output: DC12.0 V 1.0A Operating Frequency 2402-2480MHz Channels 79 Channel Spacing 1MHz Modulation Type GFSK, π/4-DQPSK, 8-DPSK Version 3.0+EDR Antenna Type: PCB Antenna Antenna gain: 1.0dBi Data of receipt January 19, 2015 Date of test January 19, 2015 to January 28, 2015 Deviation None Condition of Te s t S a m p l e Normal Page 6 of 66 Report No.: FCC15019625 We hereby certify that: The above equipment was tested by Shenzhen WST Testing Technology Co., Ltd. Registration Number: 939433 The data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C 63.4:2009. The sample tested as described in this report is in compliance with the FCC Rules Part15 Subpart C. The test results of this report relate only to the tested sample identified in this report. Page 7 of 66 Report No.: FCC15019625 2. TEST DESCRIPTION 2.1 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±3.2dB 2 RF power, conducted ±0.16dB 3 Spurious emissions, conducted ±0.21dB 4 All emissions, radiated(<1G) ±4.7dB 5 All emissions, radiated(>1G) ±4.7dB 6 Temperature ±0.5°C 7 Humidity ±2% Page 8 of 66 Report No.: FCC15019625 2.2 DESCRIPTION OF TEST MODES To investigate the maximum EMI emission characteristics generates from EUT, the test system was pre-scanning tested base on the consideration of following EUT operation mode or test configuration mode which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration mode(s) mentioned above was evaluated respectively. Pretest Mode Description Mode 1 CH00 Mode 2 CH39 Mode 3 CH78 Mode 4 Normal Hopping For Conducted Emission Final Test Mode Description Mode 4 Normal Hopping For Radiated Emission Final Test Mode Description Mode 1 CH00 Mode 2 CH39 Mode 3 CH78 Note: (1)The adapter 1 and the adapter 2 are performed for conducted emission and radiated emission, The adapter 1 is worst case. …

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CONDUCTED EMISSION TEST RADIATED EMISSION TEST RADIATED EMISSION TEST RF TEST