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Description
Listen Technologies Advanced Intelligent DSP RF Receiver (72 MHz)The Advanced Intelligent DSP RF Receiver from Listen Technologies is an advanced iDSP IR receiver. It features DSP SQ noise reduction technology, allowing users to experience 20 dB less noise and hiss. A field replaceable, Lithium ion battery is included with the unit. The integrated neck loop lanyard with DSP loop driver improves the listening experience for T coil users. The unit has an OLED display to program channel names, monitor battery status,
The Advanced Intelligent DSP RF Receiver from Listen Technologies is an advanced iDSP IR receiver. It features DSP SQ noise reduction technology, allowing users to experience 20 dB less noise and hiss. A field-replaceable, Lithium-ion battery is included with the unit. The integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users.
The unit has an OLED display to program channel names, monitor battery status, channel status, and charge activation. Programmable channel select button allows user to cycle through active channels, seek to, or lock to a channel. Connect the iDSP neck loop/lanyard or ear phones via two 3.5mm output jacks (ear phones could be shared). The micro-USB connection is used with the included iDSP software for charging, set up, programming, inventory management, and firmware updates.
- Advanced DSP SQ noise reduction technology delivers 20 dB less noise and hiss
- Integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users
- Can be worn around the neck, with the belt clip, or concealed in a pocket
- Use for multi-channel applications
In the Box
Listen Technologies Advanced Intelligent DSP RF Receiver (72 MHz)
- Limited 5-Year Warranty
| Audio | |
|---|---|
| Frequency Response | 50 Hz to 15 kHz (�3 dB) |
| Signal to Noise Ratio | SQ enabled 80 dB, SQ disabled 60 dB |
| Distortion | <2% total harmonic distortion (THD) at 80% deviation |
| Audio Output Jacks | 2 x 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm |
| Controls | |
|---|---|
| User Controls | Power, up/down volume, Listen button for end user channel selection |
| Set-Up | Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel |
| Programming | Via software and USB port |
| Indicators | |
|---|---|
| Display | Channel designation, battery level, unit number, charging status |
| LEDs | Flashes when batteries are low or to indicate charging, solid when fully charged |
| RF Specification | |
|---|---|
| Frequency Range | 72.025 to 75.95 MHz |
| Number of Channels | 17 wideband, 40 narrowband |
| Sensitivity | 0.6 uV typical, 1 uV maximum for 12 dB sinad |
| Frequency Accuracy | � .005% stability 32 to 122�F (0 to 50�C) |
| Antenna Type | Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable |
| Squelch | Programmable in 20 steps, automatic on loss of RF signal |
| Power | |
|---|---|
| Battery Type | Lithium-ion 3.7 VDC, 1200 mAh |
| Battery Life | 8 hours of continuous use |
| Battery Charging Time | Fully charged in 2.5 hours |
| Power Supply | Micro-USB connector, 5 V, 500 mA |
| Environmental | |
|---|---|
| Operating Temperature | 14 to 104�F (-10 to 40�C) |
| Storage Temperature | -4 to 122�F (-20 to 50�C) |
| Humidity (Non-condensing) | 0 to 95% relative humidity |
| Compliance and Approvals | |
|---|---|
| Standards | FCC Part 15, Part 90, Industry Canada, RoHS |
| Physical | |
|---|---|
| Color | Flat black |
| Dimensions | Unit: 3.75 x 2 x 0.64" (9.6 x 5 x 1.7 cm) Unit with Belt Clip: 3.75 x 2 x 0.80" (9.6 x 5 x 2.1 cm) |
| Weight | Unit: 1.6 oz (45 g) Unit with Batteries: 2.4 oz (68 g) |
| Packaging Info | |
|---|---|
| Package Weight | 0.2 lb |
| Box Dimensions (LxWxH) | 4.3 x 2.4 x 1.2" |
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
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
Mr
Good
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Reviewed in the United States on April 25, 2026
★★★★★ 5
This will be great at the airport for international flights
Wow. This has pockets for four passports; six pockets that will easily hold 18 credit, debit, insurance, membership, library... cards; photo id slot, mesh pocket for monetary notes or some change; a large inside zippered area perhaps for personal items; another full length pocket behind the credit cards for paperwork and a slot on the front fo boarding passes, the passport, phone, whatever.
This is going to be so handy for an international trip, keeping passport(s), boarding passes, itinerary, phone and more all together and very easily accessible.
With all these card slots, I may start carrying it on a daily basis with my phone in it. I've never before found a wallet that could hold all the cards I'd like to be carrying every day; but have to swipe out depending the day's destination; because there's no room for them all in a phone or standard wallet.
The surface feels rubberized with a good grip. It's light weight and the detachable strap is definitely appreciated. What a help this will be to stay organized. Being fireproof and RFID blocking are excellent bonuses.
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Reviewed in the United States on December 19, 2024
★★★★★ 4
Perfect for traveling
Strap broke off
Easy to use, perfect size to carry around
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Reviewed in the United States on November 23, 2025
★★★★★ 2
Fire Resistant Maybe, Not Fireproof
This small passport holder/bag from Ready Now Bags is quite unusual, it claims to be fireproof! We tested it with a lighter flame and the 'fireproof' claim initially seemed to hold up: a few seconds of direct flame on one spot had no effect on the main outside material of the bag or on the zipper material. It did cause the [nylon?] fabric running across the top of the outside pocket to start melting, and presumably the tag would also melt (as another reviewer found).
My wife didn't like the bag anyway, so we decided to try a more rigorous test (initially I was hesitant, because I didn't want to ruin the bag). We put a spot in the middle of the back side of the bag in a direct candle flame for 30 seconds. It did not melt or catch fire and was only a bit degraded in appearance after the soot was scrubbed off. The inside of the bag in the area where the flame had been was hot, but not too hot to touch.
We repeated the 30 second candle flame test on a corner of the bag. This time the corner of the bag caught fire after about 20 seconds (specifically, the piping material around the edge), and the fabric part of the zipper melted all the way through.
I haven't tried lighting other hand bags on fire, so I'm not sure how an average one would compare, but I think 'fireproof' is too much of a claim, it may be fair to say this bag is 'fire resistant'.
The material is neat and I would say attractive.
Note that the bag is pretty thin [8.9in x 4.8 in x 0.7in], which is perfect for some purposes but you can't cram a lot of stuff into it.
I don't know whether the RFID block works, but it doesn't seem to impede a cellphone signal at all when a cellphone is placed inside the bag (tested before fire tests).
The construction quality of the bag is just okay, it's a little bit uneven/wrinkled around the edges; this material is probably difficult to work with. No functional problems, though. The pockets and slots for organizing on the inside of the bag are nice.
The loop on the back that the hand strap is attached to is pretty thick and seems robust, you could attach a longer strap for shoulder or neck carry if desired.
If the bag was only advertised as 'fire resistant' I would give it a higher score, but it is advertised as 'fireproof' which is quite an overclaim.
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Reviewed in the United States on December 1, 2024
★★★★★ 5
Quality and security-oriented wallet
Color: Adventure Brown - Forest Brown
This is a neatly constructed wallet. The material of the leather feels satisfying to carry unlike previous wallets. This wallet consists of many card slots, and allows ease of access between them. The wallet can fit checks, cash and is just a nice layout and style to be able to look through it. Because some of our cards support RFID and NFC technology, bad actors can try to steal our credentials. This wallet has a material to mitigate these occurrences, but like anything in security whether it be physical security controls or the wide scope of cybersecurity, do not rely on it and try to be up-to-date with the trend. I am sure we would all want to be one step above in relation to keeping our credentials secure. Still, it is an excellently built wallet and I highly recommend it.
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Reviewed in the United States on May 7, 2026
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