DSPPA DSP-922 S CEILING SPEAKER 8 W / 70-100V

The DSP922 is a ceiling speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.

● Built-in 100v/70v transformer
● In-ceiling type loudspeaker
● 4.5” paper cone waterproof driver
● Rated power output at 4W-15W
● High sensitivity(88±2dB)
● Made of high-class steel
● Leaded wire case for fireproofing
● Fast installation by spring clip

The built-in 4.5” speaker driver is designed of wide frequency response (250-16,000Hz), the multiple terminals 4W, 8W & 15W can be applied to different occasions vary in area sizes and background noises; It is made of high-class steel and fixed by stamping, which ensures long-term durability, and will never be out of shape; Equipped with leaded wire case which is hard to burn for fireproofing; Spring clip clamp makes the easy and secure installation possible; Driver surround excellent damping, long life, clear and sonorous sounds.

It is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.

SC-C

High Performance In-Wall Speaker

8 15/16" H x 15 1/2" W


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No other custom install series offers the sonic and brand name performance of Polk Audio's SC Series. And now, with the addition of the SC-c Center Channel, the SC Series enables you to offer your customers a complete home theater solution without compromising the sound or the budget.

    Timbre-Matched to the entire SC Series line.
    Two 5 1/4" Dynamic Balance® Polymer Composite Mid-Woofers for smooth, wide-range response with low distortion.
    3/4" Silk Dome Tweeter with neodymium magnet for clear, detailed highs; excellent imaging even for off-axis listening positions.
    Wide Dispersion Design for uniform sound-coverage throughout even large rooms.
    Gold-Plated Binding Posts, the same heavy-duty terminals used in our LSi/TCi Series.
    Durable, Moisture Resistant Materials, including butyl rubber surrounds and stainless steel hardware.
    Infinite Baffle Tuning uses the virtual enclosure of in-wall space for superior bass response.
    Paintable, Powder-Coated Aluminum Grille allow SC-c to virtually disappear in any room.
    Installation Is Easy As 1-2-3 with the Rotating Cam System, securing the speaker safely with no extra assembly or mess.
    Pre-Construction Bracket (PBLCic) is available.

    * Frequency Response (-10 dB)1: 150 Hz - 20 kHz
    * Frequency Range (±3 dB)1: 200 Hz - 17 kHz
    * Power Capacity:
          o 50 Watts Continuous Program Power (2 hrs)
          o 25 Watts Continuous Pink Noise (2 hrs)
          o 30 Watts Continuous Program Power (100 hrs)
          o 15 Watts Continuous Pink Noise (100 hrs)
    * Nominal Sensitivity:
          o 87 dB (4.0 V, 1 W)
          o 84 dB (2.83 V)
    * Nominal Coverage Angle3: 140° (+25°/-50°)
    * Directivity (Q): 4.7
    * Directivity Index (DI): 6.2 dB
    * Rated Maximum SPL @ 1m: 97 dB continuous pink noise, 103 dB peak
    * Rated Impedance: 16 ohms (no transformer taps)
    * Recommended High-Pass Frequency: 150 Hz

Transducer

    * Driver: 60 mm (2.5 in), polypropylene-coated paper with pure butyl rubber surround, 20 mm (¾ in) copper clad aluminum voice coil with vented Nomex® coil-former.

Enclosure

    * Enclosure Material: High impact polystyrene
    * Grille: Zinc-plated steel grille with powder-coat finish, foam backing (removable for painting)
    * Environmental: Exceeds Mil Spec 810 for humidity, salt spray, temperature & UV. IP44 capability per IEC 529 - splashproof rating.
    * Termination: Two removable locking euro-block 2-pin connectors with screwdown terminals for bare wire. Connectors paralleled for input and loop-thru. Max. wire 12 AWG (2.5 mm2). Rubber terminal covers included.
    * Suspension: Two identical suspension systems (one as main suspension cable and the other as safety cable), each consisting of 4.5 m (15 ft) long 2 mm (0.077 in) high-tensile galvanized-steel wire rope suspension cable with spring-clips for clipping onto the loudspeaker bracket and Gripple™ brand adjustable-height cable fasteners for infinitely adjustable height. Cables have SWL rating of 45 kg (99 lb).
    * Safety Agency Ratings: Speaker listed per UL1480, transformer registered per UL1876. In accordance with IEC60849/EN60849. Suspension system and Gripple®-brand cable fastener listed per UL1598 and UL2239, TUV, and CSA Class 3426-01 & Class 3426-81.
    * Dimensions: 128 mm (5.1 in) diameter x 121 mm (4.8 in) height to top of cabinet. 141 mm (5.6 in) to top of suspension bracket.
    * Net Weight (ea): 0.7 kg (1.5 lbs)
    * Shipping Weight (pair): 2.0 kg (4.3 lbs)
    * Included Accessories: Two suspension cable systems (see "Suspension“, above), two 2-pin removable locking euro-block connectors, two rubber covers for euro-block connectors.

1 x 8¨ Mineral Filed Polymer Cone
1 x 1¨ Soft Dome Tweeter in swivel
mount
Amplifier Power 20-100 W/ch
Impedance 8 Ohms
Sensitivity 90Db
Dimensions (cm) 27 x 9

Driver Complement
Mid/Woofer     1 - 6-1/2" Diameter (16.51cm)
Dynamic Balance polymer composite cone driver
Tweeter     2 - 3/4" Diameter (1.91cm)
Silk Dome Tweeters
Electrical
Overall Frequency Response     40Hz-20kHz
Lower -3dB Limit     55Hz
Upper -3dB Limit     20kHZ
Nominal Impedance     8 ohms
Recommended Amplifier Power     20 - 100 w/channel
Efficiency     89 dB
Dimensions
Overall Diameter     8-15/16“(22.70cm)
Cut-out Diameter     7-5/8“(19.37cm)
Mounting Depth
(assumes 1/2" [12.7mm] wall material)     2-5/8" (6.67cm)
Overall Depth     3-1/8" (7.94cm)
Shipping/Other      
Shipped As     each
Product Weight     2.55 lbs. (1.16kgs) each
Total Shipping Weight     3.00 lbs. (1.36kgs)
Speaker Warranty     Lifetime Warranty