The Astronaut CL Classroom Speaker with Desktop Power Supply from Cetacea Sound is a compact speaker that provides classroom-wide sound enhancement, ideal for applications ranging from voice instruction to multimedia presentations. The speaker installs below the ceiling with the included bracket, without the need for cutting holes in the ceiling. Once the bracket is installed, the speaker twists on and off easily. The speaker has patented Astronaut technology and 40 watts of power to provide up to 1500 square feet of coverage. The omnidirectional dispersion pattern delivers intelligible audio across the entire classroom for improved student comprehension and learning.

The speaker has Centre Fusion technology for improved voice clarity, and the unit is pre-equalized for superior speech intelligibility. The speaker has a 3-channel mixer with 3.5mm inputs. Each input supports stereo or mono audio signals. This versatility makes it easy to connect a projector, microphone, DVD player, CD player, MP3 player, etc to the speaker. The system has ENERGY STAR power certifications, as well as international electronics approvals. The speaker is supplied with a desktop power supply.

Classroom Sound Enhancement

This compact and cost-effective system provides classroom-wide sound enhancement, ideal for applications ranging from voice instruction to multimedia presentations

The speaker installs below the ceiling with the included bracket, without the need for cutting holes in the ceiling. Once the bracket is installed, the speaker twists on and off easily

Patented Astronaut technology and 40 watts of power provide up to 1500 square feet of coverage. The omnidirectional dispersion pattern delivers intelligible audio across the entire classroom for improved student comprehension and learning

Centre Fusion technology offers improved voice clarity, and the unit is pre-equalized for superior speech intelligibility

The omnidirectional horn has patented ceiling acoustic coupling. There is also a patented magnetically-shielded custom Audiophile transducer, and a custom-tuned cabinet (patent applied for) with a custom-tuned port

The speaker has a 3-channel mixer with 3.5mm inputs. Each input supports stereo or mono audio signals. This versatility makes it easy to connect a projector, microphone, DVD player, CD player, MP3 player, etc to the speaker

The system has ENERGY STAR power certifications, as well as international electronics approvals

The speaker is supplied with a switch mode, low noise, high-efficiency desktop power supply

Related Questions and Answers

Q: 1. What is the length of this bag?

A: The dimensions are approx. 200 cm / 78.7" long, 22 cm / 8.7" diameter.

Q: 2. Hi, I have a Sony HDR-PJ760 camcorder. Is this mic ECM-AW4 compatible with my camcorder? Thank You.

A: Yes, I use the ECM-AW4 with my Sony HDR-CX760 and it works great. Just use the mic input on the side of the camera.

Q: 3. where to see reviews?

A: Reviews if available are located on the product page on our site below the product photo under the tab labeled Reviews .

Q: 4. how long does the battery last?

A: I use Eneloop pro batteries and i have been working with them over 5 hours

Q: 5. Is the receiver output mic level or line level?

A: The Sony ECM-AW4 Bluetooth Wireless Microphone System would have line level output.

Q: 6. if two teachers are in a classroom can they each use a separate microphone with the same unit?

A: The Cetacea Sound ASTRO-CLD001-SFC Astronaut CL Single-Speaker System with Orbiter Wireless Pendant Microphone BH #CEACLD001SFC has a 3-channel mixer with 3.5mm inputs. Each input supports stereo or mono audio signals. This versatility makes it easy to connect a projector, microphone, DVD player, CD player, MP3 player, etc to the speaker. Purchase this system: Two Cetacea Sound Orbiter Pendant microphones may be used in the same space if desired: Cetacea Sound Astronaut CL and Orbiter Commander Duo 40W Voice Amplification System with Two Wireless Microphones and 12' Desktop Power B&H # CEASCLD1OD2D: https://bhpho.to/3G7p1Sy

Q: 7. Can you use multiple (+4) SonyECM-AW4 Bluetooth Wireless Microphone System in same room?

A: I have only used one paired set and in such can't answer this question for using 4.However, my advise is to have sender and receiver facing each other for good quality. If the body conceals the microphone set quality deteriorates significantly.Best have it fixed under your dress, but facing the camera/receiver.

Q: 8. What can be the cause if this wireless is making unnecessary noise?

A: There could be other radio devices in the general area. Ac line hum could be caused by appliances nearby and plugged into the same electrical service as well. Faulty connecting cables can create noise as well.

Q: 9. If I wanted to use 4 units with a multi channel recorder can I do that? do they have multiple channels?

A: We would not advise using 4 sets of these in one location.

Q: 10. Is it possible to connect Sony ecm aw4 to a android Samsung Galaxy phone camera.

A: For some reason this won't work properly with a Samsung galaxy. It's the phone...works fine with others like Iphone. There are supposedly some cables you can get that go into the charging port, but I have had no luck and have tried various options.