SKU: 17195107454

Williams AV PFM PRO Personal FM Listening System with Alkaline Batteries

Sale price$752.40 Regular price$836.00
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Description

Williams AV PFM PRO Personal FM Listening System with Alkaline BatteriesThe PFM PRO Personal FM Listening System with Alkaline Batteries from Williams Sound delivers audio directly to the ear, enhancing sound at home, work, school, or anywhere background noise or distance from the source makes listening difficult. The system features 17 selectable channels on the 72 76 MHz band and has an operating range of up to 150 feet. A 3. 5mm jack allows for a variety of earphones and headphone options. The system is also is

The PFM PRO Personal FM Listening System with Alkaline Batteries from Williams Sound delivers audio directly to the ear, enhancing sound at home, work, school, or anywhere background noise or distance from the source makes listening difficult. The system features 17 selectable channels on the 72-76 MHz band and has an operating range of up to 150 feet. A 3.5mm jack allows for a variety of earphones and headphone options. The system is also is compatible with neckloops and telecoil-equipped hearing aids.

Specifications

Headphone
Operating Frequencies Selectable, 17 channels, 72.1 to 75.9 MHz
Switchable 8- or 17-channel mode
8-channel mode setting corresponds with PPA R35-8 receiver channels
Stability ±0.005%, frequency synthesized, crystal reference, PLL
Modulation Wide-band FM, 75 kHz peak, 75 µs pre-emphasis
RF Output 80 mV/m at 3 m (maximum allowed by FCC rules)
Frequency Response 180 Hz to 13 kHz, ±3 dB at 1% maximum THD
Signal-to-Noise Ratio 65 dB (typical), transmitted
Antenna Integral with microphone cord
Microphone Electret type, 3.5 mm mono plug
Display OLED for status and menu information

Status: Channel/Frequency, mic audio level, auxiliary input audio level, battery status, mic mute, channel lock, dual-preset modes

Menu: Channel/frequency display mode select, volume, auxiliary input, compression, 17- or 8-channel mode, screen time out, screen brightness, restore default settings
External Controls Momentary Push Button: Push and hold 3 seconds for power on/off, push and release for microphone mute On/Off

Left, right, and menu buttons for accessing and changing transmitter settings

Battery type switch (alkaline or NiMH) located behind the battery compartment door
Indicators Power LED: Green, flashes when battery is low
Mic Input 3.5 mm mono jack with electret mic bias, adjustable gain with 25 dB range
AUX Input 2.5 mm stereo jack, adjustable gain with 60 dB range
Audio Compression Method 1:1 (Off) or 2:1 (On) selectable in menu
Battery Type 2 x AA 1.5 V BAT 001-2 non-rechargeable alkaline batteries, 75 mA nominal current drain, up to 30 hours battery life
Or
2 x AA 1.5 V BAT 026-2 NiMH rechargeable batteries, 75 mA nominal current drain, up to 20 hours battery life per charge, recharges in 14 to 16 hours, uses CHG 3502 or CHG 3512 Charger (sold separately)
Enclosure Material Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum faceplate
Dimensions 4.1 x 2.8 x 1.1" (104.1 x 71.1 x 27.9 mm)
Weight 2.6 oz (73.7 g) without batteries


Williams Sound PPA R37 Select Channel FM Receiver With Earphone

Headphone
Channels 17, Accessed via Seek Button in Battery Compartment
Operating Frequency 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9MHz
75kHz Intermediate Frequency
Deviation 75kHz
De-Emphasis 75µS
Range AFC Range: ±120kHz
Sensitivity 2µV @ 12dB Sinad with Quelch Defeated
Max Input Signal 100mV
Frequency Response 200Hz - 15kHz
Modulation FM, ±75kHz Peak Deviation
Signal to Noise Ratio 65dB Min @ 100µV
Output Level 35mW Max, Peak into 16 Ohms
Connectors 3.5mm Stereo/Mono Headphone Jack
Earphone Earbud Type, Foam Cushion, 32 Ohm Impedance, Standard 3.5mm Plug
Antenna Uses Earphone/Headphone Cord as Antenna
Battery 2 x AA Alkaline or NiMH
Up to 50 Hours Life with Alkaline, Up to 32 Hours with Rechargeable NiMH
Enters Sleep Mode After 6 mins with no RF Signal
Current Consumption 52mA, Nominal
Indicators Green Power LED (Flashes for Low Battery)
Temperature Range 32 to 122°F (0 to 50°C)
Approvals FCC, Industry Canada, RoHS, WEEE
Finish Black
Dimensions 4.1 x 2.85 x 1.38" (104 x 72 x 35mm)
Weight 4.6 oz (130g) (With Batteries)
2.6 oz (73g) (Without Batteries)


Williams Sound EAR 041 - Single, In-Ear, Isolation Earphone

Headphone
Style Monaural in-ear
Plug 1/8" / 3.5 mm mono
Driver Size 0.4" / 10.0 mm
Nominal Impedance 16 Ohms
Frequency Response 20 Hz to 20 kHz
Power Input 5 mW
Sensitivity 104 dB @ 1 kHz
Replacement Parts Replacement Silicone Tip: EAR 043 (one pair)
Cord Length 39.0" / 99.1 cm
Weight 0.2 oz / 6.0 g


Williams Sound HED 021 Folding Mono Headphones

Headphone
Driver Size 1.2" / 30 mm
Maximum Power Handling 100 mW
Foldable Yes
Audio Connector to Source 1/8" / 3.5 mm
Packaging Info
Package Weight 0.13 lb
Box Dimensions (LxWxH) 6.6 x 5.05 x 2.2"


Williams Sound MIC 090 Mini Lapel Clip Microphone

Element Electret Condenser
Pickup Pattern Omnidirectional
Impedance 1.5 kOhms
Frequency Response 20 Hz to 18 kHz
Dynamic Range 79 dB
Sensitivity -56 dB (±3 dB)
Signal-to-Noise Ratio (SNR) 63 dB
Plug Right Angle: 1/8" / 3.5 mm
Cable Length 39.0" / 99.1 cm
Approvals RoHS


Williams Sound AA Alkaline Battery (2-Pack)

Battery
Battery Type 2 x AA
Battery Chemistry Alkaline
Battery Voltage 1.2 V


Williams Sound CCS 043 Leatherette Carry Case For PFM Pro, DWS Personal Communication Systems

Headphone
Compatible with PFM PRO or Digi-Wave personal communication systems
Fits: PFM 330, PFM 360, Digi-Wave DLTs, Digi-Wave DLRs
Dimensions 9.3 x 8.0 x 3.0" / 23.5 x 20.3 x 7.6 cm
Weight 0.70 lb / 0.32 kg


Williams Sound CHG 3502 Dual-Bay Battery Charger For Select Bodypack Transmitters And Receivers (Black)

Headphone
Compatible With PLR BP1 Loop receiver
PPA T36 Personal FM Transmitter
PPA T46 Transmitter
PPA R38 Receiver
PPA R35-8 Receiver
PPA R37 Receiver
WIR RX 22-4 Infrared Receiver
Motiva PFM T36 Personal FM Transmitter
Motiva PFM R36 Personal FM Receiver
Motiva PFM R33 Personal FM Receiver
Charging Time 16 Hours (Nominal)
Capacity 2 Components
Indicators 2 x Red LEDs (One for Each Bay); LEDs Are Lit When Charging
Enclosure ABS Plastic
Power Supply Input: 100 to 240 VAC, 50/60 Hz; 6 W, 0.5-0.3 A
Output: 6 VDC, 250 mA
Power Charger:
Input: 6 VDC, 300 mA, Center Positive
Output: 100 mA per Bay
Batteries NiMH Batteries Not Included
Approvals and Certifications CE, FCC, RoHS
Dimensions 4.9 x 3.9 x 2 / 12.4 cm x 9.8 cm x 5.1 cm
Weight 1.12 lb / 0.51 kg
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 17195107454

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4.8 ★★★★★
Based on 12 reviews
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Product Reviews
M
Verified Purchase
Michelle Y.
Birmingham, US
★★★★★ 5
Why didn’t I buy this sooner?
I am so happy I shelled out for the 7602. HP makes less expensive Ink tank printers but this is perfect for me. Pros: 1. The printing quality is great. I’m in the middle of a massive project that requires thousands of pages to be printed. I upgraded to 32lb paper to ensure the project would be quality, but also to handle double sided printing with images. The images with this printer and clear with zero smudging. 2. It’s fast. It said 12 pages per minute, but I’m getting more than that double sided. 3. The paper tray. The ad doesn’t go into this, but the paper tray is rad. I have terrible back pain so to sit and do a project for hours is hard enough. To have to get up to reload a paper tray sucks. This paper capacity has got to take 200-250 sheets. I grab about half the package of paper to fit a load snuggly. I LOVE this feature. 4. The cost I was worried about the reality of the savings on ink. The initial cost is over $300. However the little ink jet cartridges are between $30 to $50 each time. They run out so fast. Plus, HP changed the machines to only read their proprietary cartridges, so you can’t order a cheap fast cartridge off Amazon. I printed close to 1,000 pages last night and I’m only seeing a slight dip in the ink levels. That’s crazy. Now consider the ink. The bottles are designed so they fit over the loading tube. No mess. I was worried about this because I am a stone cold clutz. I did spill a drop of blue, but I was moving fast. The bottles have a plastic top the presses into the tube creating a seal. Imagine when you pull a gas nozzle out of your tank. If you are in a rush you might drip gas on your car. This is the same. You pull the bottle up slowly allowing the plastic barrier to seal. I just whipped off the bottle but only 1 drop spilled, by the tube. I haven’t tried the scanner. I will update in awhile. The only con is the paper catch. This is where the prints come out and stack up. It has a manual slide out. If you forget to pull it out your pages will end up on the floor. I’m a bit spoiled from the automatic arm that extended on my ink jet when you press print. To me that is such a small sacrifice for all the advantages. I highly recommend this printer. In the last 3 months I spent $600 on cartridges. I wish I had done this sooner!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2025
M
Verified Purchase
MS
Port Orchard, US
★★★★★ 4
So far a great printer
So far a great printer. Was a little worried after reading a lot of the reviews. However I was tired of ink cartridges and wanted to give the tank a shot. Heck I have 30 days to try it out with Amazon returns , so why not. Setup only took a couple minutes. Simple to read instructions, online setup guides made it quick and easy. Filling the ink tanks was painless. Installing printer heads was easy. Although was a little worried as it took a little more force the. Expecting to close the cover. Was afraid I was going to brake it. Zero problems connecting to internet. Did a test fax and worked great! Did a test scan with zero issues! Printed several test pages from cell phone and computer with zero issues. Print quality was great even with testing on plain printer paper. Only negative I have is the power cable does not connect securely and can easily come loose causing power to disconnect. Which is my reason for 4 stars as I can see how this might become an issue
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
R
Verified Purchase
Robert Merriman
Draper, US
★★★★★ 5
Very Happy with My New Printer - Features Important to You are Worth the Cost
My HP Photosmart 7520 purchased in Dec 2014 finally died. It was inexpensive, but was a faithful servant! I could not resolve a new "printhead not detected" error and although I may still be able to fix, I thought it time to replace. I grew tired of the print cartridge change outs. I just spent a day using this new (my third HP) printer and all is well. I like everything about it. Ease of set up, the paper tray, document feeder, the look/design, and especially the ink. The ink will last a long time given my use and replacements will not be $$. I even like the panel light which duration can be user selected. I could have spent less, but the additional features are worth the cost to me. The set up via my MacBook was easy. Yes, I could have done this with my phone, but I enjoy using my Mac. Registration was seamless. I did have a hiccup. Initially color printing was not available from my Mac OS. HP test pages were fine, but no color via any apps using my Mac OS. I Googled the issue and within 2 minutes I found that a reinstall of the Mac driver from the HP site was needed. That took another 2 minutes and color options appeared in the print settings! Strange, I know, and I don't care why ... just glad that a fix was that easy. So, I examined Canon, Brother, and all the HP models, chose this one and glad I did. I have been messing with this tech since the late '80s and I like how HP has evolved its printers. My laser printer experience was limited to the workplace ... I am an inkjet guy at home so I limited my search to that format. I don't think you will be disappointed. Purchased via Amazon. Delivery within 2 days.
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Reviewed in the United States on December 24, 2025
C
Verified Purchase
Coconut Earth Monkey
Lake Worth, US
★★★★★ 3
good and bad
Good: The ink tank concept is brilliant. It was insanely easy and mess-free to install the print heads and fill the ink tanks. The control panel is elegant and nicely integrated into the printer. The whole thing was relatively easy to set up. The print quality was fine. Bad: The first printer I received was covered in ink because apparently the black ink exploded in transit. The replacement printer came barely in time. I tried to print Microsoft Word labels from the HP app, and wasted a lot of labels because it refused to format correctly. Then I had trouble printing in color from Microsoft (but at least the formatting matched the labels). After an update, I was able to print labels in color, BUT had to do one sheet at a time because they kept jamming (set at specialty paper glossy since they were glossy labels) -- again wasted a lot of labels. AND it took FOREVER to print one sheet of labels in color, even when there was barely any color. After it jammed, the color on the labels changed and took several sheets to return to the original colors. I donʻt know yet if the print heads were actually damaged, but it seemed to recover eventually If you want to print a lot of labels in color in a reasonable amount of time without having to feed one sheet at a time, this is not the printer for you. If you mostly print black & white on regular paper, and only occasionally need color, then maybe it will work for you. I havenʻt tried scanning. Again, the ink tank concept is a game changer, but this printer is far from perfect.
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Reviewed in the United States on August 9, 2025
S
Verified Purchase
Sandfinder
Cuba, US
★★★★★ 5
Impressive multi-functional home printer, A++ touch screen
Note: I've used this printer for almost a month so far. I was very impressed with the unboxing experience of this HP Smart Tank 7600 printer. I had no trouble lifting the printer out of the box, because they actually put it inside a plastic bag with nice handles! It was easy peasy. Everything was nicely labeled and I followed the instructions from the HP Smart app (both on PC and phone) and went through step by step to set up the printer. HP really knocked the basic setup part out of the park with this one. It's the best instructions I have ever seen. It was super easy filling the ink tanks with the bottles. I was expecting some leakage and had paper towels ready but nope, not a single drop leaked from it during filling! It takes less than 30 seconds for each bottle to finish filling the printer. Impressive. Setting up WiFi was easy and it immediately updated the printer with the latest firmware. This part did take 5-10 minutes but once it was done, I was able to print immediately. My favorite feature is the matte surface touch screen. It is bright, responsive, and very intuitive to use. Advanced Features: Since this printer had a lot of advanced features, I tried them out. First, I set up the scan to email feature. This took a while to figure out, with the assistance of online help, I was able to configure Gmail's SMTP server to send out printer scans to other emails. This was complicated to use another SMTP server but not the fault of HP. Next, I set up the device to scan to my NAS drive. I had a slight hiccup because I had to fix my NAS account to allow write permission before it started working. Lastly, I discovered it to be faster to enter email contacts through the HP Smart app address book instead of trying to enter them via the printer's touch screen. The printer itself prints very fast in both color and black and white. While it doesn't quite match the print quality of color laser printers, it's still very impressive for an ink jet printer. Just the fact that the large amount of ink in the tanks versus traditional cartridges or toners will be huge savings for me. The scanning features will make this a lot more useful so I don't need to get another separate scanner. Overall, I really like this printer and it will be my primary family printer from now on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2024

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