About the OSD Nero Arc 4" Pendant Speaker
Solid sound for a room with high ceilings
Solid sound for a room with high ceilings
It can be difficult to find wall space for speakers in a spacious room with high ceilings — that's where the OSD Nero Arc pendant speaker can really shine. It hangs securely from the ceiling and creates a 120-degree cone of sound for listeners below. A 4" graphite cone woofer and a 3/4" soft dome tweeter deliver warm, room-filling background music and clearly audible announcements.
The speaker's built-in transformer tap offers versatile settings for use in a distributed audio system. Or you can power a pair with a standard stereo receiver or amplifier using the 8-ohm bypass setting.
Product highlights:
- 4" graphite cone woofer and 3/4" silk dome tweeter
- built-in transformer tap for use in a distributed audio system
- 70-volt tap settings: 1.25, 2.5, 5, and 10 watts
- 100-volt tap settings: 2.5, 5, 10, and 20 watts
- 8-ohm bypass for use with standard stereo receiver or amplifier
- 120° dispersion angle
- power handling: 60 watts program power
- sensitivity: 83 dB
- frequency response: 75-20,000 Hz (±3dB)
- IP66 rated: dust proof/water-resistant
- Phoenix-style terminal block input connectors
- installation kit and hanging cable included
Dimensions and warranty:
- 6-1/8" diameter x 8-1/2" height
- weight: 4.41 lbs.
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # NERO-ARC4BLK
What's in the box:
OSD Nero Arc 4" Pendant Speaker owner's manual
- 4" 70/100V Pendant speaker (black)
- Top cover
- 4-Pin Euroblock connector (installed)
- 40" Hanging cable w/ 2 attached locking-carabiners
- 2-5/8" Eye hook
- 1" Strain-relief
- Two 3/8" screws
- Nut
- Lock-washer
- Installation guide
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More details on the OSD Nero Arc 4" Pendant Speaker
Features & specs
| Type | Pendant | |
| Bluetooth | No | |
| Enclosure | Bass reflex | |
| Tweeter Type | --- | |
| Tweeter Size (inches) | 0.75 | |
| Midrange Size (inches) | N/A | |
| Woofer Size (inches) | 4.0 | |
| Woofer Composition | --- | |
| Woofer Surround | --- | |
| Power Range (watts) | 60 | |
| Sensitivity | N/A | |
| Impedance (ohms) | 8 | |
| Frequency Response | 75Hz-20k Hz | |
| Connector Type | 4-Pin Euroblock | |
| Height (inches) | 8-1/2 | |
| Width (inches) | 6-1/8 | |
| Depth (inches) | --- | |
| Weight (pounds) | 4.41 | |
| Wall-mountable | Pendant | |
| Bracket Included | --- | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Overview: The OSD Nero Arc 4 pendant speaker is designed for distributed 70/100V audio systems in home and commercial applications. The pendant speaker is an ideal choice for spaces with irregular or uneven architectural features such as vaulted ceilings in high-end home environments, malls, restaurants, bars, museums, and other spaces where multiple speakers are required and placement is challenging.
Speaker Design: The Nero Arc 4 2-way pendant speaker features a 4" rigid graphite cone woofer and a 0.75" silk dome tweeter mounted in a ported enclosure, providing accurate bass, rich midrange sound, and detailed highs. The pendant speaker can provide a wide 120˚ dispersion pattern for broad area coverage. The pendant speaker is IP66 rated, making it suitable for both indoor and outdoor applications.
70/100V & 8Ω: The OSD Nero Arc 4 features a built-in 20 watt, 70/100V transformer for commercial applications. An 8Ω bypass also allows it to be used in a "standard" speaker configuration with up to 60 watts RMS power handling. A tap-dial on top of the speaker provides selections for the following:
- 70V: 1.25W, 2.5W, 5W, and 10W.
- 100V: 2.5W, 5W, 10W, and 20W
- 8Ω: Bypass
Connection: Wiring connections to the Nero Arc 4 pendant speaker are made through a 4-pin Euroblock connector located on top of the speaker, accommodating speaker wire up to 14-gauge. Two pins are used for the connection from an amplifier while the other two pins are used for daisy-chaining the signal out to additional speakers. An included strain relief attachment helps prevent the wire connection from being pulled loose (speaker wire sold separately).
Mounting: Designed for pendant mounting, the Nero Arc 4 includes a 40" (3.3') suspension cable with two locking-carabiners. The cable attaches to the speaker using the provided eye-bolt that threads into the top of the speaker housing, while the other end can be attached to a mounting point in the ceiling. A top cover is provided to protect the tap dial and Euroblock wiring connector.
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