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ROCKSTAR A Portable system created for both staying in and outdoorRockstar is World 1st Multi-instrument, IPX5 Portable Combo Amp, Mobile App enabled with 2.4G pairing and Bluetooth features. It’s created with Musicians, Audiophiles and music lovers i

FULL SOUND IN A QUICK DESIGNThis compact 2.1 speaker system delivers clear audio and enhanced bass via a 3.5mm connection. Easily access power, volume and headphone jack with the wired control pod. Enjoy a full audio experience in a small form factor.

Whole tone speaker, 2 frequency division, 1" high-pitched voice + 2*8" bass, 90x60degree, frequency response: 60Hz~18kHz-3dB, rated power: 250W, Max. Input: 1000W, sensitivity: 93dB, Maximum sound Pressure: 118dB.

Professional conferencing system for mid-to-large roomsThe VC520 Pro is equipped with a 12X optical zoom and daisy-chain speakerphone that deliver a lifelike audiovisual experience. With 1080p HD quality, Sony True WDR, and IP-based management features, the VC520 Pro is the professional conferencing system your enterprise needs.Specs:Camera- Sony super-low-light 2M pixel sensor for clear and natural imaging in low-light conditions.- Resolution: (16:9) 1920x1080, 1600x900, 1280x720, 960x540, 848x480, 800x448, 640x360, 424x240, 320x180; (4:3) 800x600, 640x480, 480x360, 320x240 at 60, 30, 15fps.- SmartFrame for automatic FOV adjustment to fit all participants.- True WDR up to 120dB: Superb backlight compensation technology for optimizing light balance in high-contrast conditions.- Zoom: 18X total zoom (12X optical zoom).- Wide field of view (DFOV): 82°.- Lens focal length: 3.9 mm (wide) ~ 47.3 mm (tele).- Lens F#: 1.8 (wide) ~ 2.8 (tele).- Mirror, Flip, AE, white balance: aut o, manual override via PTZApp.- Minimum focus distance: 1.5 m.- Standard tripod screw holes and Kensington slot. Motorized Pan & Tilt Movement- Pan: ±170°- Tilt: +90° (up) -30° (down)- 10 camera presets (through remote control)- Fast and quiet pan & tilt movementVideo Format- YUV, MJPEG, H.264- Network video compression format: H.264- Network protocols: RTSP, RTMP Speakerphone- Full duplex microphone array with echo cancellation- Advanced noise suppression- Dual-microphone array- 3.5 mm phone-in jack- 3.5 mm line out- Speaker: 6W, Adjustable to 90dB SPL at 0.5 m- Microphone frequency response: 120Hz-16kHz- Microphone sensitivity: -34± 2 dBV @1KHz, 94dBSPL- Microphone distortion: < 1% from 150Hz- Microphone support range: Diameter 6M- Touch controls for volume down/up, mute, phone input, call, and hang-up- Bridge phone-in and USB into one call- Security: Kensington slotAudio Format- AAC-LC- Network protocol: RTSP, RTMP LAN- 10/100/1000 MbpsConnectivity- 12V/5A power adaptor- Mini DIN9 for RS232 in & out connection (VISCA control panel and camera daisy-chain)- USB 3.1 Type-B connector- IP (RJ45) USB- 3.1 Gen 1 Type-B, backward compatible with USB 2.0- UVC (USB video class) 1.1- UAC (USB audio class) 1.0Control- IR remote control- VISCA/Pelco-P/Pelco-D via RS232 (128 preset points via VISCA command)- Remote side: VISCA over IP, IP (RJ45)- UVC/UAC plug-and-play- WebUI: Browser IP access via Chrome (does not support Internet Explorer)- PTZApp Mount- Camera wall-mount bracket included- Optional foldable TV mountSystem Requirements- Windows 7/10- Mac OS X 10.13 or higher- Google Chromebook version 76.0.3809.102 or later- Android 6 or higher Hardware Specs- 3.2 GHz Intel Core i5-4460 Processor or higher- 4 GB RAM or more- USB 3.1 port, backward compatible with USB 2.0 portWeb page browser requirement- Chrome: version 76.x or above- Firefox: version 69 or above- IE: Not support Power Supply- AC 100V ~ 240V, 50/60 Hz- Consumption: 12V, 5AFree Applications for Meeting Collaboration (Windows and Mac)- EZManager: Camera Central Management software- Remotely group FW/SW upgrades, control the camera, and configure settings- PTZApp- Upgrade firmware automatically or manually- Control camera- Set parameters and adjust camera image- Diagnose operating status- View live video- EZLive- Real-time streaming/annotating/snapshots/video recording Optional Accessories- Mini DIN9 to RS232 adapter- Expansion Speakerphone (10 m cable included, daisy-chain up to three speakerphones)- Expansion Pair Microphone (Two 5 m cables included, daisy-chain up to four microphones)- Foldable TV mountCompatible ApplicationsZoom, Microsoft Teams, Skype for Business, Skype, Google Hangouts meet, Intel Unite, RingCentral, BlueJeans, V-Cube, LiveOn, CyberLink U Meeting, TrueConf, Adobe Connect, Cisco Webex, Fuze, GoToMeeting, Microsoft Lync, Vidyo, vMix, WebRTC, Wirecast, XSplit

Polytron Professional Speaker hadir dengan suara berkelas, hasilkan suara mid-treble lebih jernih dan bass lebih mantap, serta dilengkapi built-in battery, handle, dan roda.Dual Power (AC & Battery)Battery Life up to 7 HoursHandle & Wheels2-Way Speaker SystemWoofer 12 inchLED DisplayBass, Middle, Treble ControlBluetooth ConnectionSupported with Polytron Audio Connect AppUSB, SD Card/MMC, Aux, Line Input2 Wireless Mic Included1 Mic Input with Echo ControlMic PriorityRemote Control