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This product can be a combination of 4, installed below the ceiling and combined as a semi-spherical speaker, which is suitable for large space such as auditorium

高音单元：47X57X18米/米 8Ω低音单元：5“φ25金属框架

This well-designed and premium-quality sound box promises to deliver big sounds from a small box. Flaunting an oval-shaped design, this sound box is equipped with two 4” low-frequency driver and has a sensitivity of 88db, a crossover frequency at 3500 Hz 12 dB / OCT and a nominal impedance at 8 ohm, so it delivers powerful and realistic sounds. It also flaunts a design that can be used both indoors and outdoors, rendering it an exceptional choice for retail stores, playgrounds and more.<ul><li>Can be used both indoors and outdoors with the recommended frequency rage at 65-20KHz.</li><li>With a sensitivity of 88d8.</li><li>Crossover frequrency: 3500Hz 12dB/ OCT.</li><li>Nominal impedance: 8 ohm.</li><li>High- Frequency: 3500Hz 12db/ oct.</li><li>Low- Frequency Driver: 2x4”.</li><li>Weight: 3.6 kg.</li></ul>

<p _msthash="1751" _msttexthash="921773931" style="language:zh-CN;line-height:normal;margin-top:0pt;margin-bottom:0pt; margin-left:0in;margin-right:0in;text-indent:0in;text-align:left;direction: ltr;unicode-bidi:embed;vertical-align:baseline;mso-line-break-override:none; word-break:normal;punctuation-wrap:hanging;">1、网络壁挂式终端是基于TCP/IP传输协议的全数字模数转换信号处理器，由主控系统智能控制，可播放主控系统的后台程序、紧急寻呼和报警信号<p _msthash="1750" _msttexthash="140819380" style="language:zh-CN;line-height:normal;margin-top:0pt;margin-bottom:0pt; margin-left:0in;margin-right:0in;text-indent:0in;text-align:left;direction: ltr;unicode-bidi:embed;vertical-align:baseline;mso-line-break-override:none; word-break:normal;punctuation-wrap:hanging;">2、全数字化设计，高保真，高语音传输指数

DSP 放大器8 x 100 W @ 2 欧姆16通道数字信号处理器D级完全可桥接主要芯片组 ：ADAU1466 ADAU1979PCM1690DCAROPA1687

8" injection PP rubber edge+0.75" tweeter silkdome+3" mid-range injection PP rubber edge

<p _msthash="1819" _msttexthash="921773931" style="language:zh-CN;line-height:normal;margin-top:0pt;margin-bottom:0pt; margin-left:0in;margin-right:0in;text-indent:0in;text-align:left;direction: ltr;unicode-bidi:embed;vertical-align:baseline;mso-line-break-override:none; word-break:normal;punctuation-wrap:hanging;">1、网络壁挂式终端是基于TCP/IP传输协议的全数字模数转换信号处理器，由主控系统智能控制，可播放主控系统的后台程序、紧急寻呼和报警信号<p _msthash="1818" _msttexthash="140819380" style="language:zh-CN;line-height:normal;margin-top:0pt;margin-bottom:0pt; margin-left:0in;margin-right:0in;text-indent:0in;text-align:left;direction: ltr;unicode-bidi:embed;vertical-align:baseline;mso-line-break-override:none; word-break:normal;punctuation-wrap:hanging;">2、全数字化设计，高保真，高语音传输指数<p _msthash="1817" _msttexthash="229433308" style="language:zh-CN;line-height:normal;margin-top:0pt;margin-bottom:0pt; margin-left:0in;margin-right:0in;text-indent:0in;text-align:left;direction: ltr;unicode-bidi:embed;vertical-align:baseline;mso-line-break-override:none; word-break:normal;punctuation-wrap:hanging;">3、内置2*20W高品质数字功放，可连接外接分箱，低功耗设置

This high-performance automobile amplifier is meticulously designed to achieve the highest quality, which brings you the best audio beyond your wildest imagination. The dexterously made construction ensures high-fidelity sound with no noise distortion. Truly enjoy your favorite tune delivered by this automobile amplifier.
<ul>
 <li>Output power: 4 x 200W.</li>
 <li>Bridge output power: 2 x 400W.</li>
 <li>THD: 0.2%.</li>
 <li>Low-pass crossover: 50Hz-500Hz.</li>
 <li>High-pass crossover: 40Hz-400Hz.</li>
 <li>Frequency response: 10Hz-32Hz.</li>
 <li>Sensitivity: 0.2V-6V.</li>
 <li>Fuse rating: 25A x 3.</li>
</ul>

This car DVD system features a 7" digital TFT LCD color monitor with a 16:9 aspect ratio. It boasts a touchscreen panel, a&nbsp;CD changer, built-in Bluetooth function, a&nbsp;rear camera video input, etc. Take your entertainment anywhere with this in-car DVD player.
<ul>
 <li>Compatible with DVD, SVCD, VCD, CD, MP3, MP4, WMA and DivX formats.</li>
 <li>2 pieces of headrest monitors.</li>
 <li>Resolution: 800 x 480.</li>
 <li>GPS system.</li>
 <li>FM/AM radio.</li>
 <li>AV input.</li>
 <li>4.1CH audio line output.</li>
 <li>Subwoofer with a 4.1CH amplifier.</li>
 <li>Car speakers.</li>
</ul>

This car DVD system features a black and silvery casing. It comes with a 7" digital TFT LCD color monitor with a 16:9 aspect ratio. It boasts a CD changer, built-in Bluetooth function, a rear camera video input, 2 pieces of headrest monitors, etc. Enjoy state-of-the-art technology with this in-car DVD player.
<ul>
 <li>Compatible with DVD, SVCD, VCD, CD, MP3, MP4, WMA and DivX formats.</li>
 <li>Touchscreen panel.</li>
 <li>Resolution: 800 x 480.</li>
 <li>GPS.</li>
 <li>FM/AM radio.</li>
 <li>AV input.</li>
 <li>4.1CH audio line output.</li>
 <li>Subwoofer with a 4.1CH amplifier.</li>
 <li>Car speakers.</li>
</ul>

This car DVD system features a 7" digital TFT LCD color monitor with a 16:9 aspect ratio. It boasts a touchscreen panel, a CD changer, built-in Bluetooth function, a rear camera video input, etc. Add a touch of sophistication to your car with this functional device.
<ul>
 <li>Compatible with DVD, SVCD, VCD, CD, MP3, MP4, WMA and DivX formats.&nbsp;</li>
 <li>2 pieces of headrest monitors.</li>
 <li>Resolution: 800 x 480.</li>
 <li>GPS system.</li>
 <li>FM/AM radio.</li>
 <li>AV input.</li>
 <li>4.1CH audio line output.</li>
 <li>Subwoofer with a 4.1CH amplifier.</li>
 <li>Car speakers.</li>
</ul>

This high-performance car speaker gives you the best sound with the highest fidelity with its 88dB&nbsp;construction. Finely manufactured to&nbsp;meticulous&nbsp;quality, this 6.5" coaxial speaker with&nbsp;a PP&nbsp;injection cloth-edge&nbsp;woofer&nbsp;lets&nbsp;you truly enjoy your favorite tune. Rock the&nbsp;road&nbsp;wherever you go with this car speaker.
<ul>
 <li>13mm neodymium magnet PEI&nbsp;dome tweeter.</li>
 <li>Power: 140W.</li>
</ul>

ANYTIME, ANYWHERE ENJOY BLUE TOOTH PHONE SUPPORT,NFC CONNECTIVITY, MUSIC INSTANTLY COME/UNIQUE NAUTILUS VORTEX CHANNEL DESIGN,PROGRESSIVE STRUCTURE TO BRING THE LEVEL OF SOUND EXPERIENCE./NAUTILUS CAVITY BIONIC INVERTED PORE STRUCTURE,GATHERING 100W POWER,BRINGING EXTREME SURGING SOUND QUALITY./ALIKE NAUTILUS SHELL STRUCTURE TO CREAT 3D STEREO SOUND./UPGRADE THE SOUND PERFORMANCE OF TABLET PC,SMART PHONE.

BUILT IN 4 MIDRANGES +2 TWEETERS +8" SUBWOOFER TO ENHANCE THE PERFECT SOUND PERFORMANCE/USE THE ANDROID SYSTEM TO DOWNLOAD THE LATEST MOVIES,MUSIC,GAMES,KARAOKE AND MANY MORE APPLICATIONS./BUILT IN WI-FI,BLUETOOTH,NFC,SUPPORT WIRELESS KEYBOARD/MOUSE./BALANCED AUDIO TECHNOLOGY,DEEP BASS, FULL MIDRANGE,ETHEREAL TREBLE CREATE A CONVERGENCE OF SMOOTH, BALANCE, FULL-FREQUENCY OF THE NATURAL SOUNDS.

The audio set includes&nbsp;2 high-fidelity speakers. It provides a superb sound effect with advanced technology. The robust design ensures outstanding performance over years. 
<ul>
 <li>4.1CH amplifier.</li>
 <li>Composite paper-cone rubber-edge woofer.</li>
 <li>25mm neodymium-magnet silk dome tweeter.</li>
 <li>Nominal impedance: 4Ohm.</li>
 <li>Frequency range: 60Hz-30kHz.</li>
 <li>Sensitivity: 88dB.</li>
 <li>Wattage:&nbsp;200W.</li>
</ul>

SLIM SMART SOUND DEVICES TO MEET CUSTOMER DEMAND FOR A STREAMLINED LIGHTWEIGHT DEVICE, YOUR BEST CHOICE TO ACHIEVE EXTRAORDINARY AUDIO WORLD/USING 3D TEXTURED SURFACE TECHNOLOGY TO ENHANCE THE TEXTURE AND BEAUTY/BUILT IN 4 MIDRANGES +2 TWEETERS +8" SUBWOOFER TO ENHANCE THE PERFECT SOUND PERFORMANCE/USE THE ANDROID SYSTEM TO DOWNLOAD THE LATEST MOVIES,MUSIC,GAMES,KARAOKE AND MANY MORE APPLICATIONS./BUILT IN WI-FI,BLUETOOTH,NFC,SUPPORTS WIRELESS.