--- id: auri-tx2n-advertised-range-is-not-rx1-coverage url: https://avuncensored.com/solutions/auri-tx2n-advertised-range-is-not-rx1-coverage markdown_url: https://avuncensored.com/solutions/auri-tx2n-advertised-range-is-not-rx1-coverage.md json_url: https://avuncensored.com/solutions/auri-tx2n-advertised-range-is-not-rx1-coverage.json problem_statement: Auri TX2N advertised range is not RX1 coverage, and guest devices will differ vendor: Listen Technologies product_family: Auri category: - assistive-listening standard: Bluetooth Auracast broadcast audio · Public Broadcast Profile (PBP) tags: - auracast - listen-technologies - auri - assistive-listening - bluetooth-le-audio symptom: An Auri TX2N layout planned from the advertised "over 100 meters (328 ft)" range can come up short on the house RX1, and guest earbuds and hearing aids may perform differently from the RX1, including latency. cause: Listen publishes more than one range number (100 m marketing; about 70–80 m North America and about 30–40 m Rest of World to −70 dBm RSSI on an RX1), split by regional output power (+20 dBm vs +10 dBm), and Auracast receivers are not all equal to the house RX1. fix: Plan from the regional Auri Coverage and Install Guide and an RX1 commissioning walk, add TX2N repeaters if coverage is short, test the listeners' actual devices, and keep RX1 receivers and neck loops for guests without Auracast-capable devices. published: '2026-11-11' last_verified: '2026-11-11' confidence: high unverified: true unverified_items: - Independent measurement of any of the range or latency figures; consumer earbud and hearing-aid range and latency versus the RX1 were not measured for this entry. - Which RX1 battery rating is current (include list says LA-367 3.7 V 750 mAh; spec table says 3.7 Vdc, 730 mAh). - NFC “Tap to Hear” as a current shipping method (Listen’s July 2026 connect note says “coming soon”). - Third-party Classic-to-Auracast adapters (Listen mentions they may exist and recommends against them; none were tested). - Bluetooth SIG qualification listings for specific Auri SKUs (Listen’s architectural spec requires PBP qualification; the listing itself was not looked up). - TX2N / RX1 firmware and Auri Manager versions are not stated. products: - sku: AURI-TX2N-A0 name: Auri TX2N transmitter region: North America - sku: AURI-TX2N-D-A0 name: Auri TX2N-D transmitter (Dante) region: North America - sku: AURI-TX2N-E0 name: Auri TX2N transmitter region: Rest of World - sku: AURI-TX2N-D-E0 name: Auri TX2N-D transmitter (Dante) region: Rest of World - sku: null name: Auri RX1 receiver - sku: null name: Auri D4 / D16 docking stations - sku: LA-470 name: Neck loop - sku: LA-367 name: RX1 battery pack (as listed in the RX1 include list) - sku: LA-425 name: Power supply (sold separately) - sku: null name: Auri Manager (software) versions: - component: Bluetooth (TX2N radio) version: '5.3' source: https://www.listentech.com/shop/product/auri-tx2n-transmitter/ - component: Public Broadcast Profile version: 1.0.2 (current at time of writing) source: https://www.bluetooth.com/specifications/specs/public-broadcast-profile-1-0-2/ - component: Auracast receiver baseline version: Bluetooth 5.2 features plus PBP source: https://www.bluetooth.com/auracast/faq/ - component: TX2N / RX1 firmware, Auri Manager version: not stated in this entry unverified: true sources: - title: 'Listen Technologies: Auri product overview' url: https://www.listentech.com/auri/ note: Product overview, 100 m marketing range, 30 ms latency FAQ, repeater mode, two channels, PoE / USB-C, RX1 feature list. - title: 'Listen Technologies: Auri TX2N transmitter' url: https://www.listentech.com/shop/product/auri-tx2n-transmitter/ note: TX2N / TX2N-D specifications, regional SKUs, output power, PoE figures, latency table. - title: 'Listen Technologies: Auri RX1 receiver' url: https://www.listentech.com/shop/product/auri-receiver/ note: RX1 specifications, PBP qualification language, battery listings. - title: Auri Coverage and Install Guide (US, Apr 2025) url: https://www.listentech.com/wp-content/uploads/2025/04/UP3B609-01_US_Auri-Coverage-and-Install-Guide.pdf note: US 70–80 m / −70 dBm / RX1 coverage; commissioning walk. - title: Auri Coverage and Install Guide (Rest of World, Apr 2026) url: https://www.listentech.com/wp-content/uploads/2026/04/UP3B609-01_RoW_Auri-Coverage-and-Install-Guide.pdf note: Rest-of-World 30–40 m / −70 dBm / RX1 coverage. - title: 'LTN0072: How to Connect to an Auracast Broadcast (2026-07-13)' url: https://www.listentech.com/wp-content/uploads/2026/08/LTN0072-How-to-Connect-to-an-Auracast-Broadcast-2026-07-13-V1.pdf note: RX1 + LA-470 as an essential ADA component; Bluetooth Classic cannot join natively; NFC “coming soon.” - title: Listen Technologies and Ampetronic are shipping Auri url: https://www.listentech.com/news/listen-technologies-and-ampetronic-are-shipping-auri/ note: Shipping announcement; use alongside ListenIR / ListenRF / ListenWIFI / Ampetronic loops. - title: 'Bluetooth SIG: Auracast FAQ' url: https://www.bluetooth.com/auracast/faq/ note: Unlimited in-range receivers; requires Bluetooth 5.2 features plus PBP; existing devices may need a hardware or software upgrade. - title: 'Bluetooth SIG: Auracast for developers' url: https://www.bluetooth.com/auracast/developers/ note: Auracast is a set of PBP configurations. - title: 'Bluetooth SIG: Public Broadcast Profile 1.0.2' url: https://www.bluetooth.com/specifications/specs/public-broadcast-profile-1-0-2/ note: Public Broadcast Profile 1.0.2. - title: 'Bluetooth SIG: Explained, how to join an Auracast broadcast' url: https://www.bluetooth.com/blog/explained-how-to-join-an-auracast-broadcast/ note: Joining with or without an assistant; no one-to-one pairing. schema_version: 1 --- # Auri TX2N advertised range is not RX1 coverage, and guest devices will differ ## Problem statement Auri TX2N advertised range is not RX1 coverage, and guest devices will differ | Field | Value | | --- | --- | | Vendor | Listen Technologies · Auri also branded as powered by Listen Technologies and Ampetronic | | Product family | Auri — TX2N / TX2N-D transmitter, RX1 receiver, D4 / D16 docking stations, Auri Manager | | Standard | Bluetooth Auracast broadcast audio · Public Broadcast Profile (PBP) | | Last verified | 2026-11-11 | | Confidence | high — Manufacturer and Bluetooth SIG pages. Range and latency figures conflict across Listen documents; those conflicts are listed, not smoothed over. | **Symptom:** An Auri TX2N layout planned from the advertised "over 100 meters (328 ft)" range can come up short on the house RX1, and guest earbuds and hearing aids may perform differently from the RX1, including latency. ## Solution ### Summary Plan coverage from the regional Auri Coverage and Install Guide and an RX1 commissioning walk, not from the marketing line that each TX2N “broadcasts over 100 meters (328 ft) in all directions.” North American TX2N units are specified at +20 dBm and about 70–80 m to −70 dBm RSSI on an RX1. Rest-of-world units are specified at +10 dBm and about 30–40 m to the same RSSI target. Guest earbuds and hearing aids may perform differently from the house RX1, including latency. Add TX2N units in repeater mode if the walk is short. Bluetooth Classic devices cannot join a broadcast natively. ### Root cause Auracast is a one-to-many Bluetooth LE Audio broadcast defined by the Public Broadcast Profile, not a paired Classic link. Listen publishes more than one range number. The Auri product page says each TX2N broadcasts over 100 meters in all directions; the official US and Rest-of-World coverage guides give shorter RSSI-based distances that also split by region, matching the two maximum output-power specs (+20 dBm North America, +10 dBm Rest of World). The same product page says environmental factors matter and that other receivers “may perform differently to the Auri RX1.” ### Steps 1. Identify the transmitter SKU and region: AURI-TX2N-A0 or AURI-TX2N-D-A0 (North America) versus AURI-TX2N-E0 or AURI-TX2N-D-E0 (Rest of World). 2. Plan from the matching Coverage and Install Guide (about 70–80 m in North America, about 30–40 m Rest of World, to −70 dBm on an RX1), not the “over 100 meters” marketing figure. 3. Mount per that guide. Commission with an Auri RX1 in commissioning mode and do a quality-of-service walk. Listen notes that venue layout and crowd density affect performance. 4. If coverage is short, add TX2N units in repeater mode. A single Ethernet connection carries PoE, control, and network audio between transmitters. 5. Test with the listeners’ actual earbuds and hearing aids, not only the house RX1. Listen states that range and latency will vary on those devices. 6. Keep dedicated RX1 receivers, and neck loops for telecoil users, for guests without Auracast-capable devices. Listen’s connect note calls the RX1 plus the LA-470 neck loop an essential component to make a venue ADA compliant (quoted as Listen’s statement, not legal advice). Do not assume a Bluetooth Classic headset can join. 7. Use Auri Manager to name broadcasts, set Standard or High Quality, and optionally encrypt streams (AES128-CCM, 4–16 character password). ### Specs | Item | Value | Source | Verified | | --- | --- | --- | --- | | Marketing range | Each TX2N “broadcasts over 100 meters (328 ft) in all directions.” Range varies with environment. | | yes | | US planned coverage (RX1) | Approximately 70–80 m in any direction to −70 dBm RSSI using an RX1. | | yes | | Rest-of-World planned coverage (RX1) | Approximately 30–40 m in any direction to −70 dBm RSSI using an RX1. | | yes | | TX max output power | North America +20 dBm; Rest of World +10 dBm. Attenuatable down to −10 dBm. | | yes | | Channels per TX2N | Two BLE radios, up to two channels; units can be daisy-chained / used as repeaters. | | yes | | Power | IEEE 802.3af PoE (48 V, 53 mA, 2.54 W nominal) or USB-C 5 V PD (370 mA, 1.85 W). No PSU in the box; LA-425 is sold separately. | | yes | | Audio inputs | Two balanced mic/line Euroblock inputs, +24 V phantom, optional Dante on a dedicated 100 Mbit RJ45 (TX2N-D, 2 ch / 48 kHz). | | yes | | Codec / radio | LC3, Bluetooth 5.3, 2400–2482 MHz, Auracast broadcast only. Sample rates 16 and 24 kHz (Auracast Standard, required) and 48 kHz (Auracast High). | | yes | | RX1 end-to-end latency | Product table: 29–45 ms, dependent on sample rate and mono/stereo. Architectural text: “less than 40 milliseconds in all Auracast Standard Quality configurations.” Other receivers will vary. FAQ: “as low as 30 ms, depending on certain broadcast settings.” | ; | yes | | RX1 I/O and battery | Two 3.5 mm TRRS jacks; integrated neck-loop lanyard for T-coil aids. Battery life > 20 hours. Included pack listed as LA-367 3.7 V 750 mAh; spec table lists 3.7 Vdc, 730 mAh. Which battery rating is current is unverified. | | unverified | | Listener count | Unlimited in-range receivers. The transmitter is unaware of how many devices have joined and needs no extra bandwidth as count grows. | ; | yes | | PBP qualification | Listen’s architectural spec requires the Auracast transmitter and receivers to be qualified to PBP through the Bluetooth Qualification Process. Auracast itself is a set of PBP configurations. Current PBP at time of writing: 1.0.2. The Bluetooth SIG qualification listing for specific Auri SKUs was not looked up. | ; ; | unverified | ### Known issues and fixes - The 100 m marketing figure, the US 70–80 m RX1 figure, and the RoW 30–40 m RX1 figure are all from Listen and do not agree. Use the regional coverage guide plus an RX1 walk. - Latency copy also disagrees: architectural “< 40 ms” on Standard Quality versus the 29–45 ms table, and “as low as 30 ms” in the FAQ. Cite the table for planning, and measure the actual receivers. - Bluetooth Classic devices cannot join an Auracast broadcast natively. Listen mentions third-party adapters may exist but recommends buying Auracast-compatible equipment. *Unverified:* No adapter was tested here. ### Compatibility notes - Guests can listen on a dedicated RX1 or on an Auracast-capable device (hearing aid, earbud, phone as assistant). Connection method depends on the device maker; many hearing aids use their own app. - Listen says Auri can be used alongside ListenIR, ListenRF, ListenWIFI, or Ampetronic hearing loops. - NFC “Tap to Hear” is described as coming soon in Listen’s July 2026 connect note. *Unverified:* Not confirmed as a current shipping method. - *Unverified:* Range and latency on consumer earbuds and hearing aids versus the RX1 were not independently measured for this entry. ### Unverified - Independent measurement of any of the range or latency figures; consumer earbud and hearing-aid range and latency versus the RX1 were not measured for this entry. - Which RX1 battery rating is current (include list says LA-367 3.7 V 750 mAh; spec table says 3.7 Vdc, 730 mAh). - NFC “Tap to Hear” as a current shipping method (Listen’s July 2026 connect note says “coming soon”). - Third-party Classic-to-Auracast adapters (Listen mentions they may exist and recommends against them; none were tested). - Bluetooth SIG qualification listings for specific Auri SKUs (Listen’s architectural spec requires PBP qualification; the listing itself was not looked up). - TX2N / RX1 firmware and Auri Manager versions are not stated. ### Sources 1. [Listen Technologies: Auri product overview](https://www.listentech.com/auri/) — Product overview, 100 m marketing range, 30 ms latency FAQ, repeater mode, two channels, PoE / USB-C, RX1 feature list. 2. [Listen Technologies: Auri TX2N transmitter](https://www.listentech.com/shop/product/auri-tx2n-transmitter/) — TX2N / TX2N-D specifications, regional SKUs, output power, PoE figures, latency table. 3. [Listen Technologies: Auri RX1 receiver](https://www.listentech.com/shop/product/auri-receiver/) — RX1 specifications, PBP qualification language, battery listings. 4. [Auri Coverage and Install Guide (US, Apr 2025)](https://www.listentech.com/wp-content/uploads/2025/04/UP3B609-01_US_Auri-Coverage-and-Install-Guide.pdf) — US 70–80 m / −70 dBm / RX1 coverage; commissioning walk. 5. [Auri Coverage and Install Guide (Rest of World, Apr 2026)](https://www.listentech.com/wp-content/uploads/2026/04/UP3B609-01_RoW_Auri-Coverage-and-Install-Guide.pdf) — Rest-of-World 30–40 m / −70 dBm / RX1 coverage. 6. [LTN0072: How to Connect to an Auracast Broadcast (2026-07-13)](https://www.listentech.com/wp-content/uploads/2026/08/LTN0072-How-to-Connect-to-an-Auracast-Broadcast-2026-07-13-V1.pdf) — RX1 + LA-470 as an essential ADA component; Bluetooth Classic cannot join natively; NFC “coming soon.” 7. [Listen Technologies and Ampetronic are shipping Auri](https://www.listentech.com/news/listen-technologies-and-ampetronic-are-shipping-auri/) — Shipping announcement; use alongside ListenIR / ListenRF / ListenWIFI / Ampetronic loops. 8. [Bluetooth SIG: Auracast FAQ](https://www.bluetooth.com/auracast/faq/) — Unlimited in-range receivers; requires Bluetooth 5.2 features plus PBP; existing devices may need a hardware or software upgrade. 9. [Bluetooth SIG: Auracast for developers](https://www.bluetooth.com/auracast/developers/) — Auracast is a set of PBP configurations. 10. [Bluetooth SIG: Public Broadcast Profile 1.0.2](https://www.bluetooth.com/specifications/specs/public-broadcast-profile-1-0-2/) — Public Broadcast Profile 1.0.2. 11. [Bluetooth SIG: Explained, how to join an Auracast broadcast](https://www.bluetooth.com/blog/explained-how-to-join-an-auracast-broadcast/) — Joining with or without an assistant; no one-to-one pairing.