VHC-AAI-DS0620B-0Wireless Speaker System

DS0620B 2.4 GHz Wireless Outdoor Speaker System Item #40325 Owner's Manual (Read carefully the instructions before using this system) Introduction This 2.4GHz digital wireless speaker system utilizes the most advanced wireless technology to deliver dynamic, high-quality audio anywhere inside or outside your home. The wireless audio transmission travels freely through walls, floors and other solid objects. Simply connect the system to any audio source such as Radio, TV, VCR, Hi-Fi and CD/MP3/ VCD/DVD players... to enjoy full-spectrum, lifelike sound without complicated wiring and installation. Features 1. 2.4GHz Frequency Hopping Spread Spectrum (FHSS) digital transmission. 2. 32-Channel scan-tuning between transmitter and receiver. 3. Audio output power up to 20 Watts RMS per channel. 4. Weather-resistant speaker and remote control. 5. Mood light effect. 6. Dual weather-resistant speaker driver (super bass and tweeter built-in). 7. Pairing between transmitter and speaker 8. Supports stereo audio (with optional additional speaker). 9. AUX In jack. 10. Operating distance up to 50 meters in open area (less through walls and other obstructions). 11. Works through walls, floors and anywhere in the room. 12. Virtually interference-free stereo quality. 13. Electronic Volume Control on Speakers. 14. Remote control unit. 15. Powered by 6 D batteries, or by included AC/DC adapter. 16. Portable Transmitter powered by 4 AA batteries, or by included AC/DC adapter Package content i. 1 x RF transmitter ii. 1 x RF speaker iii. 1 x Remote control iv. 1 x ac/dc adapter for transmitter v. 1 x ac/dc adapter for speaker vi. 1 x RCA to RCA cable vii. 1 x 3.5mm to 6.3 mm adapter plug viii. 1 x user manual Transmitter R Pair AUDIO IN DC IN 6V ON OFF L Power on indicator Input Speaker Remote Control Storage Power on/off Mood light / Pair Volume Up/Down Front View Rear View Battery Compartment R/M/L Switch Aux In DC IN 12V Remote Control Volume Up/Down Mood Light Power ON/OFF Installation Transmitter 1. Plug the included AC/DC adapter into a standard wall outlet. 2. Insert the adapter connector plug firmly into the DC IN jack located on the rear panel of the transmitter base, OR 3. Insert 4 AA alkaline battery (not supplied) on the battery compartment and close the battery door. 4. Extend the retractable audio cable located on the back panel of the transmitter and connect it to the output jack of virtually any audio source. Note : Do not fully extend the cable until ready to retract. 5. To retract the cable, pull it until it is fully extended and then allow it to feed back into the base. R Pair AUDIO IN DC IN 6 V ON OFF L Power on indicator Input Storage Jack For Plug When Not In Use Battery compartment Speaker Receiver Battery Power 1. To operate the speaker using battery power, gently turn the speaker over and open the battery compartment cover located underneath. 2. Insert six (6) D alkaline batteries (not provided) into the battery compartment, observing proper +/- polarities as indicated. 3. Replace the battery compartment cover. AC Power 1. To operate the speaker using AC power, plug the included 12V power adapter into a standard wall outlet. 2. Insert the power adapter connector firmly into the DC IN jack located on the back panel of the speaker. Rear View Battery Compartment R/M/L Switch Aux In DC IN 12V Operation 1. To switch on the speaker, press the POWER button 3sec. located on the front panel of the speaker. The GREEN power LED illuminates. 2. To switch off the speaker, press the POWER button 3sec again. Remote Control Storage Power on/off Mood light / Pair Volume Up/Down Front View Remote Control The remote control is ready to use with a factory-installed button cell battery. It can be stored in the recessed area on the front panel. Basic Operation 1. When the transmitter power adapter (or battery is inserted) is connected and plugged into a standard wall outlet, switch the on/off switch to ON. The transmitter's GREEN led will light up. 2. To switch on the speaker, press the POWER button 3sec on the front panel of the speaker. The GREEN led illuminates. 3. Turn on the audio source the transmitter is turned off for less then 4 minutes, the blue LEDs on the transmitter and the speaker illuminate when the audio signal link between the two is made. 4. If the audio source connected to the transmitter is turned off for less than 4 minutes, the BLUE leds on the transmitter and the speaker remain on, but no sound is transmitted. When the audio signal returns to the transmitter, sound is transmitted again. 5. If no signal is detected for more than 4 minutes, the transmitter automatically turns off ; the BLUE leds on the transmitter and the speaker switch to GREEN. 6. If no signal is detected from the transmitter for more than 5 minutes, the speaker automatically shifts to Standby mode. 7. If no audio signal is detected from the transmitter for more than 15 minutes, the speaker automatically turns off. The GREEN led goes off. 8. To switch on the speaker, press the POWER button 3sec on the front panel of the speaker. 9. To switch off the speaker. Press the POWER button 3sec again. PAIRING 1. If there is no audio sound is detected after connecting is done, re-pairing processes is required. 2. Press the “PAIR” buttons on both transmitter and speakers Mood light /Pair button for 5 seconds, there will have a “Do” sound detected when the pairing process is finished. Mood Light For mood light effect, press the LIGHTS button on the speaker or remote control. Left / Right Channel and Mono Selection The Wireless Outdoor Speaker System comes with one speaker and is designed for either Mono or Stereo playback. For stereo playback, an additional speaker must be purchased separately. Mono playback is suggested when only one speaker is used in an area or room. Mono Playback To enable Mono playback, ensure that the switch located on the back panel of the speaker is in the MONO position. Stereo Playback To enable Stereo playb…

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Request for Confidentiality PHOENIX TESTLAB GmbH Date: 4 th Jan 2010 Product Certification Königswinkel 10 D 32825 Blomberg RE: Certification Application Model : DS0620B ; BD9674 FCC ID: VHC-AAI-DS0620B-0 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rule, the applicant hereby requests confidential treatment of information accompanying this application as outlined below: • Schematics • Block Diagram • Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to rule 0.457, disclosure od this application and all accompanying documentation will not be made before the date of the GRANT for this application ́. Thank you for your attention in this matter. Applicant’s Company : Acoustic Arc international ltd. address : Unit 207, 2/F, Photonics Centre, No.2 Science Park East Avenue, Hong Kong Science Park, N.T. Signature : ____________________________ 24 th Mar. 2010 Job Title and Dept. : Deputy general manager Ersteller: U. Rodemeier Revision: 03 Erstelldatum: 03.08.01 Datum: 4.10.2006 Seite 1 von 1

Page 1 of 3 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Appendix B Date: 2010-04-15 Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Photos of EUT – External EUT Photos Page 2 of 3 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Page 3 of 3 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Ancillary - AC/DC adaptor

Made in China FCC ID:VHC-AAI-DS0620B-0 Transmitter Wireless Speaker System MODEL NO.:DS0620B or 4 x AA batteries Power input:6VDC 300mA Made in China FCC ID:VHC-AAI-DS0620B-0 Transmitter Wireless Speaker System MODEL NO.:DS0620B or 4 x AA batteries Power input:6VDC 300mA

Page 1 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Appendix C Date: 2010-04-15 Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Photos of EUT – Internal EUT Photos Page 2 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Page 3 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Page 4 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Page 5 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Page 6 of 6 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter)

TEST REPORT Date: 2010-04-15 Report No.: 60.870.10.008.01F Page 1 of 27 TUV SUD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong Applicant: Acoustic Arc International Ltd. Unit 207, 2/F., Photonics Centre, No.2 Science Park East Avenue, Hong Kong Science Park, Shatin, N.T. Hong Kong Description of Samples:Model name: 2.4GHz Wireless Digital Speaker System (Transmitter ) Brand name: aai Model no.:DS0620B / BD9674 FCCID:VHC-AAI-DS0620B-0 Date Samples Received:2010-03-30 Date Tested:2010-03-31 to 2010-04-14 Investigation Requested:FCC Part 15 Subpart C, Section 15.247 Conclusions:The submitted product COMPLIED with the requirements of Federal Communications Commission [FCC] Rules and Regulations Part 15. The tests were performed in accordance with the standards described above and on Section 2.2 in this Test Report. Remarks:---- Checked by:Approved by:- Nicolas ChengVictor Kwan Assistant Project ManagerManager Telecom departmentTelecom department Report No.: 60.870.10.008.01F Page 2 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong CONTENT: Cover Page 1 of 27 Content Page 2-3 of 27 1.0General Details 1.1Test Laboratory Page 4 of 27 1.2Applicant Details Page 4 of 27 1.3Equipment Under Test [EUT] Page 5 of 27 1.4 Related Submittal(s) Grants Page 5 of 27 2.0Technical Details 2.1Investigations Requested Page 6 of 27 2.2Test Standards and Results Summary Page 6 of 27 3.0Test Methodology 3.1Radiated Emission Page 7 of 27 3.2Field Strength Calculation Page 7 of 27 3.3Conducted Emission Page 7 of 27 4.0Test Results 4.1 Number of Frequency Hopping Page 8 of 27 4.2 20dB Bandwidth Measurement Page 9-10 of 27 4.3 Hopping Channel Carrier Frequency Separation Page 11 of 27 4.4 Average Time of Occupancy Page 12-13 of 27 4.5 Pseudorandom Hopping Algorithm Page 14 of 27 4.6 Band Edge Measurement Page 15-16 of 27 4.7 Maximum Output Power Page 17-18 of 27 4.8 Out ofBand Emissionsand Emissions in Restricted Bands Page 19-23 of 27 4.9 Conducted Emission on AC Mains Page 24-25 of 27 Report No.: 60.870.10.008.01F Page 3 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong 5.0RF ExposureCompliance Requirement Page 26 of 27 6.0List of Measurement Equipments Page 27 of 27 Appendix A Photos of Test Setup Appendix B External EUT Photos Appendix C Internal EUT Photos Report No.: 60.870.10.008.01F Page 4 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong 1.0General Details 1.1Test Laboratory EMC Laboratoryregistered by FCC with FCCRegistration Number:607756 1.2Applicant Details Applicant Acoustic Arc International Ltd. Unit 207, 2/F., Photonics Centre, NO.2 Science Park East Avenue, Hong Kong Science Park, Shatin, N.T. Hong Kong Manufacturer Acoustic Arc International Ltd. Unit 207, 2/F., Photonics Centre, NO.2 Science Park East Avenue, Hong Kong Science Park, Shatin, N.T. Hong Kong Report No.: 60.870.10.008.01F Page 5 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong 1.3Equipment Under Test [EUT] Description of EUT Product Description:2.4GHz Wireless Digital Speaker System(Transmitter) ModelNo.:DS0620B/BD9674 Brand Name: aai FCCID:VHC-AAI-DS0620B-0 Rating:-DC6.0V,300mApowered by AC/DC power adaptor or 4 x 1.5V ”AA” sizes battery. Operated Frequency:2406 -2472 MHz No. of Operated Channel:31 Accessories and Auxiliary Equipments:- AC/DC power adaptor. - Cassette player Antenna Type:Integral Manufacture of Antenna:Acoustic Arc International Ltd. Antenna Gain:0dBi Antenna Model:N/A General Operation of EUT The Equipment Under Test (EUT) is a transmitter of the wireless speaker system operated at 2.4GHz. As per Client Declaration, the circuit design, PCB Layout, shielding and interface of DS0620B and BD9674 are identical, only the cosmetic are different. So we use DS0620B as a representative model to perform all testing FHSS Operation Principle: This module is controlled by microchip to generate Pseudorandom Frequency Hopping Sequence, this module support 31 hopping channels. Refer to section 4.5 of this report to have more detail of Pseudorandom Hopping Algorithm. 1.4Related Submittal(s) Grants This is a signal application subjected to Certificate Authorization. Report No.: 60.870.10.008.01F Page 6 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong 2.0Technical Details 2.1Investigations Requested Perform ElectroMagnetic Interference measurement in accordance with FCC 47CFR [Codes of Federal Regulations] Part 15: 2008 and ANSI C63.4: 2003 for FCC Verification 2.2Test Standards and Results Summary Tables Test ConditionTest RequirementTest Result PassN/A Number of Frequency Hopping Section 15.247 ( a1 ) 20dB Bandwidth Measurement Section 15.247 ( a1 ) Hopping Channel Carrier Frequency Separation Section 15.247 ( a1 ) Average Time of Occupancy Section 15.247 ( a1 ) Pseudorandom Hopping Algorithm Section 15.247 ( a1 ) Band Edge Measurement Section 15.247 Maximum Output PowerSection 15.247 ( b1 ) Out of Band EmissionSection 15.247 ( d ) Radiated Emission in Restricted Band Section 15.247 ( d ) Conducted Emission on AC Mains Section 15.207 RF ExposureSection 15.247 ( i ) Antenna RequirementSection 15.203 See note 1 Note 1 :The EUT uses a permanently attached antenna, which in accordance to Section 15.203, is considered sufficient to comply with the provisions of this section. Remark: N/A - Not Applicable Report No.: 60.870.10.008.01F Page 7 of 27 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong 3.0Test Methodology 3.1Radiated Emission The sample was placed 0.8m above the ground plane on a standard emission test site *. Measurements in both horizontal and vertical polarities were performed. During the test, each emission was maximized by: having the EUT continuously working, investigated all operating mo…

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Page 1 of 1 TÜV SÜD Hong Kong Ltd. 3/F, West Wing, Phase 2, 10 Science Park West Avenue, Shatin, Hong Kong. Appendix A Date: 2010-04-15 Test report no.: 60.870.10.008.01F Model no.: DS0620B (Transmitter) Photos of Test Setup – Radiated Emission Photos of Test Setup – Conducted Emission