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Description
Williams AV IR SY11 IR+ System Pack with Tools Needed for Large SystemIR+ system fully packed with all the tools needed for a large, functioning system. Specifications IR M1 Dimensions: 19 (W) x 1. 75 (H) x 8. 2 (D) (48. 3 cm x 4. 5 cm x 20. 8 cm) Weight: 5. 2lb. (2. 4 kg) Color: Black Rack Mount: Single Rack Unit Power Supply: International Desktop Supply Input: 36 W, 110 240 VAC 50 60 Hz Output: +48VDC, 0. 75A center positive Power Switch: Rocker switch with LED Signal to Noise Ratio: 67 dB (typical) Modulation: FM
IR+ system fully packed with all the tools needed for a large, functioning system.
Specifications
IR M1
| Dimensions: | 19” (W) x 1.75” (H) x 8.2” (D) (48.3 cm x 4.5 cm x 20.8 cm) |
| Weight: | 5.2lb. (2.4 kg) |
| Color: | Black |
| Rack Mount: | Single Rack Unit |
| Power Supply: | International Desktop Supply Input: 36 W, 110-240 VAC 50-60 Hz Output: +48VDC, 0.75A center-positive |
| Power Switch: | Rocker switch with LED |
| Signal to Noise Ratio: | 67 dB (typical) |
| Modulation: | FM Wideband, +50kHz deviation, 50uS pre-emphasis |
| Carrier Frequency: | Selectable, 2.3/2.8 or 3.3/3.8MHz |
| Frequency Response: | 40 to 16,000Hz, +1 dB, -3dB, electrical response |
| Total Harmonic Distortion: | Less than 2%, electrical response |
| Audio Processor Functions: | DSP based; Compression 1:1, 1.5:1, or 2:1; High-pass and low-pass filter frequency control |
| Auto Carrier Shut-Off: | Adjustable timer shuts off carrier when no audio is present. Adjustable through webpage. |
| Infrared Test LED: | Dual IR LED for receiver testing, monitoring, and audio signal testing. |
| Audio Input: | (2x) Combination 3-pin XLR, 1/4” (TRS) jack for balanced or unbalanced line level, or balanced or unbalanced microphone with selectable phantom power |
| Dante: | Optional |
| Internal Test Tone: | 400 Hz internal test tone selectable as audio input source for setup and diagnostics |
| Remote Configuration: | Available through embedded website |
| Headphone Output: | (2) 1/4″ headphone jacks on front panel for monitoring CH A and CH B audio inputs |
| Emitter Output Jack: | Four RJ-45 ports for CAT5e cables; provides +48VDC Power, RS-485 communication, and Baseband signals for IR transmission. |
| Operating requirements: | 0-50ºC ambient temperature, non-condensing, non-corrosive atmosphere |
| Approvals: | CE, FCC, RoHS, RCM, WEEE, CB Scheme, ISED, VCCI |
| Warranty: | 2 years on Modulator, 90 days on accessories |
IR E4
| Dimensions: | 7.5” (W) x 1.4” (H) x 3.6” (D) (19.1 cm x 3.6 cm x 9.1 cm) |
| Weight: | 0.8 lb (362 g) |
| Color: | Black |
| Power: | 48 VDC supplied by IR M1 via CAT 5e cable. |
| Coverage Area: | Up to 18,000 square feet in single channel mode |
| Connectivity: | +48VDC Power, RS-485 communication, and Baseband signals for IR trasmission are all provided via a single CAT5e cable inserted into an RJ-45 jack from the IR M1. |
| Operating requirements: | 0-50ºC ambient temperature, non-condensing, non-corrosive atmosphere |
| Approvals: | CE, FCC, RoHS, RCM, WEEE, CB Scheme, ISED, VCCI |
| Warranty: | 2 years on Emitter; 90 days on accessories |
WIR RX22
| Receiver Style: | Body-Pack, dual-lens detector, lanyard |
| Size: | 4.1″ L x 2.85″ W x 1.2″ H (104.1 mm x 72.4 mm x 30.4 mm) |
| Weight: | 4.5 oz (127 g) with batteries |
| Color and Material: | Black |
| Lanyard: | 3 ft (0.91 m), allows receiver to be worn around the neck |
| Operating Temperature: | -10° C to +50° C |
| Battery Type: | 2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2) |
| Battery Life: | Alkaline: 60 hours, NiMH: 30 hours/charge |
| Battery Drain: | 25 mA, nominal |
| Charging Contacts: | For use only with CHG 3512 |
| Carrier Frequency: | Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz |
| De-Emphasis: | 50 uS |
| FM Deviation: | ±50 kHz |
| Signal-to-Noise Ratio: | 60 dB min. |
| Squelch: | Receiver squelches (mutes) at 28 dB S/N ratio |
| Frequency Response: | 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response |
| Total Harmonic Distortion: | Less than 1%, electrical response |
| Controls: | ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch |
| Indicators: | Red LED “ON” indicator, flashes to indicate Low battery |
| Audio Output Jacks: | 3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug |
| Audio Output Power: | 15 mW max at 32 Ω |
| Acoustic Output: | 125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013 |
| Sensitivity: | Better than 1 nW/cm2 for 40 dB signal-to-noise ratio |
| Approvals: | CE, FCC, RoHS, WEEE |
| Warranty: | 5 years on receiver, 90 days on accessories |
| Compatible Headphones/Earphones: | Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001 |
CHG 3502
|
Dimensions: |
4-7/8″L x 3-7/8″”W x 2″H (12.4 cm L x 9.8 cm W x 5.1 cm) |
|
Shipping Weight: |
1.1 lbs (0.5 kg) |
|
Enclosure: |
Black, ABS plastic |
|
Charger Power: |
Input: 6 VDC, 300mA, Center Positive. Output: 100mA per bay. |
|
Power Supply: |
Williams Sound TFP 041 (US) Input: 100-240 VAC, 50-60Hz, 0.5-0.3 A Output: 6 VDC, 1.5 A. |
|
Charging Time: |
16 hours nominal * |
|
Unit Capacity: |
2 Units |
|
Indicators: |
2 Red LEDs – one for each bay. LEDs are lit when charging. |
|
Warranty: |
2-year |
|
Approvals: |
CE, FCC, RoHS |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 2
I dislike the royal blue - I abhor the cheap, tacky buttons
I requested this product without being able to see the product photo or any information about it (beyond the title) because I requested a similarly-priced 3-piece suit on Amazon previously and that was a fine suit; it wasn't amazing, but it was decent. This is far worse and I don't think many people would feel good about spending the $75 on this.
I would never wear this suit jacket in public because it would embarrass me due to the color and the buttons. I suppose the color is a subjective choice, and I like many shades of blue and have two blue suits. A dark blue would've been OK with me (preferable), or even a lighter blue could be OK I suppose - but this "royal blue" shade is nauseating to me, its as if its trying to be overly-vibrant.
The buttons aren't just a problem because they're cheap plastic - their placement is reminiscent of a style of suit jackets I've only ever seen in history books or old period movies set in eras well over a century ago - nobody wears jackets like this anymore unless they're dressed in formal uniforms like police. The title says it could be for a prom? No, I would not ever wear it to a prom or suggest it as a suit anyone would wear to a prom.
The pants are decent! This is why I'm giving it two stars. Initially I couldn't imagine wearing this suit in any way whatsoever but the pants fit well and have a very professional-looking crease right where it should be. The color is bad, but I'll keep it in the back of the closet for days when I have no other slacks appropriate for work that are clean. I greatly appreciate the elastic in the waistband - it has that new stretchy type which allowed me to fit into it without trouble even though someone of my weight otherwise wouldn't.
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Reviewed in the United States on February 7, 2026
★★★★★ 3
It's nice enough, but nothing spectacular
This was definitely a gamble since there was no picture provided.... But, my husband needed a newer suit, so we took a chance. Well, it's green! Which is the last thing we expected lol. But, it's not terrible. My husband actually thinks he can do something with it. I'm disappointed because it's only a jacket, pants and tie- not a three piece with a vest like i thought I was getting. Also the fabric just isn't a great material. For $80, it's not great. I've gotten better for $20 from temu. However, it does fit very him very nicely. He's about 5 foot nine or ten, 185lb. If you're in a bind and need a suit in a hurry, this will certainly do just fine. Just know it's not luxury. Pictures are taken right out of the bag, not ironed or anything.
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Reviewed in the United States on February 7, 2026
★★★★★ 4
Affordable, vintage style 3 piece suit.
When I ordered this, there wasn't any pictures of the suit. I got this in the vibrant blue color, in size Large. The styling on this is similar to suits from 100 or so years ago. This is a 3 piece suit at an affordable price point. The buttons are big, they're nice looking, but they feel cheap.
I like the tie this comes with and the pants are pretty nice. The pants are comfortable with an elastic waist. The sizing seems to be about right, though they could use a sizing chart. The outter material is a fairly coarse polyester. The inside has a layer of smooth material, I believe it's made of viscose.
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Supringingly great suit even before tailoring
Color: Beige, Size: Medium
This slimfit, doublebreasted suit offers a sharp, modern silhouette that punches well above its price point. The tailoring provides a high end look, though you should consider sizing up if you prefer a less restrictive feel through the torso. Regarding quality and color, the fabric is durable with a rich, consistent hue that holds its depth under different lighting. For appearance, the double breasted cut adds instant sophistication, perfectly accented by the bold red striped tie and included lapel pin. In terms of value, it is an excellent investment for those seeking a complete ensemble that looks custom made.
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Good 2 Piece Mens Suit
This is a good suit especially if you are on a budget and need a suit. For me, I found that the jacket fits me pretty nicely but the pants were a little too big. It did come with a very nice tie that I will definitely use. The jacket and the pants were both nicely sewn all the way around and there was no loose threading. The jacket is nicely lined on the inside. As for the pants, I would need to wear a belt so that I could make the fit a little better. Wearing this suit will definitely make you stand out. The gold buttons are very visible. Overall, it is a nice suit. It is not the type of suit that I would wear on a daily basis but perhaps for a special event, this suit would be great. When I was wearing the suit, some in my house thought it looked wonderful and the others thought differently. However, this suit is a good value if you are looking for something that is not expensive.
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Reviewed in the United States on February 12, 2026
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