LifeSpan TX6

Product Identity

• Full name: LifeSpan TX6-GlowUp Under Desk Treadmill
• Marketing name: TX6-GlowUp
• Internal model: TX6
• ASIN: B0CTH69X4C (the active consolidated listing; B0CTH27QTN also appears in Amazon search results)
  • Date First Available: January 29, 2024
  • This is a consolidated listing spanning TR1200, TR5000, and TX6 - reviews date back to 2017
• Brand page: https://lifespanfitness.com/products/tx6-glowup-under-desk-treadmill
• LifeSpan Europe: https://lifespaneurope.com/en/pages/lifespan-europe-tx6-walking-pad
• Manual: https://manualzz.com/doc/8242720/lifespan-tx6-treadmill-desk-owner-s-manual
• UPC: 810983023688
• Part Number: TX6

Product Description

The LifeSpan TX6-GlowUp is LifeSpan's newest and most affordable under-desk treadmill, representing a significant update after nearly a decade without a new model. It features a 4.5 HP peak brushless motor, 400 lb capacity, and speeds from 0.4 to 6.0 mph. Available in Black and White ("Pristine White" with white console, belt, and side rails). The ultra-compact design (5.8" height) stores under beds/desks and comes with transport wheels. The treadmill includes 6 independent compression shocks, a self-lubricating belt, robust aluminum side rails, and a 0.7" phenolic deck. Designed for up to 7 hours of daily recommended use. Controls via included remote with LED display showing speed, time, distance, and calories. Compatible with the LifeSpan Fit App via Bluetooth for workout tracking. 115V NEMA 5-15 Non GFI Circuit required. FCC and CE certified.

Specs

Rating Note

The Amazon rating (3.4/5, 81 reviews) is from a consolidated listing (B0CTH69X4C) that spans multiple LifeSpan products (TR1200, TR5000, TX6). Reviews date back to September 2017 - well before the TX6 existed (launched Jan 2024). Many negative reviews reference TR5000/TR1200 issues (Bluetooth on TR5000, customer service from 2023, etc.). The 3.4 rating significantly penalizes the TX6 due to older model complaints. The brand page shows 4.75 stars for the TX6 specifically.

Amazon Listed Specs (B0CTH69X4C)

• Brand: LifeSpan Fitness
• Color: Black (also White variant)
• Product Dimensions: 60"D x 27.6"W x 6"H
• Material: Aluminum
• Maximum Speed: 6 Miles per Hour
• Special Feature: Compact Design
• Target Audience: Adult
• Maximum Horsepower: 6 (INCORRECT - brand page says 4.5HP, Amazon data entry error)
• Maximum Incline Percentage: 12 (INCORRECT - TX6 has NO incline, brand page explicitly says "Not Available")
• Assembly Required: No
• Display Type: LED
• Metrics Measured: Distance, Time, Calories Burned, Speed
• Maximum Weight Recommendation: 400 Pounds
• Deck Length: 38 Inches (unclear - belt is 48", possibly refers to different measurement)
• Frame Material: Aluminum
• Input Power: 150 Watts (suspicious - seems very low for 4.5HP peak motor)
• Minimum Speed: 0.4 Miles per Hour
• UPC: 810983023688
• Model Name: TX6 Under Desk Treadmill
• Package Dimensions: 60 x 30 x 7.2 inches
• Package Weight: 90 Pounds
• Item Dimensions: 60 x 27.6 x 6 inches
• ASIN: B0CTH69X4C
• Date First Available: January 29, 2024
• Best Sellers Rank: #496,734 in Sports & Outdoors, #1,591 in Treadmills

Amazon Data Quality Issues

Several Amazon tech detail fields appear to have data entry errors:

1. Maximum Horsepower: 6 - Brand page clearly states 4.5HP Peak. Likely copy-paste error from another listing.
2. Maximum Incline: 12 - TX6 has zero incline. Brand page explicitly says "Not Available."
3. Input Power: 150W - Implausibly low for a 4.5HP peak motor. For reference, 4.5HP peak = ~3,357W.
4. Deck Length: 38" - Belt is 48" per brand page. "Deck" may refer to something else, or it's an error.

Motor Details

• Peak HP: 4.5 (brand page, manual)
• Motor type: DC BLDC (brushless)
• Voltage: 110V / 60Hz (US), 115V NEMA 5-15 (brand page)
• CHP: NOT PUBLISHED. No authoritative continuous HP figure from any source.
• Wattage: NOT PUBLISHED. Amazon lists 150W input power but this appears erroneous.
• Amperage: NOT PUBLISHED.
• EU marketing claim: "4.5 horsepower of continuous performance" - ambiguous language about sustained use capability, not an engineering CHP specification.
• TreadmillReviews.com: References "3-horsepower motor" - unclear basis; may be their assessment of continuous rating or a spec interpretation.
• CHP derivation: Not possible without wattage or amperage data.

Manual Findings

From manualzz.com/doc/8242720:

• Motor: DC 4.5 HP (Peak) BLDC
• Voltage: 110V (60Hz)
• Speed: 0.4-6 MPH (0.6-9.6 KPH)
• No continuous HP figure
• No wattage or amperage specifications

Rating & Price

• Amazon rating: 3.4/5, 81 reviews (consolidated listing - see note above)
• Star breakdown: 5-star 48%, 4-star 10%, 3-star 8%, 2-star 3%, 1-star 31%
• Brand site rating: 4.75/5 stars
• Price: Amazon $1,299 (sale from "typical" $1,399), Brand site $1,299 as well
• Note on MSRP: Amazon now shows "typical price" of $1,399. Brand page shows $1,299 with no higher reference price visible. The $1,499 may have been an earlier MSRP that has been reduced.

App Connectivity

• App: LifeSpan Fit App
• Platforms: iOS (App Store: id6458050289), Android (Google Play: com.app.lifespanfit)
• Connection: Bluetooth
• Features: Tracks distance, steps, calories burned, max heart rate. Syncs with Apple Health and Google Health. Weekly fitness reports.
• Known issue (from web search): iOS app v2.0.3 reportedly has no Bluetooth connectivity to TX6 yet. This suggests Bluetooth hardware exists but software support may be incomplete.
• Omni Hub compatible: TX6 works with optional Omni Hub console (sold separately), which caps speed at 4 mph for desk use.
• Previous app: LifeSpan Club (discontinued, replaced by LifeSpan Fit)

Noise / Decibels

• TX6-specific dB: NOT PUBLISHED. No manufacturer claim of specific decibel level for TX6.
• General LifeSpan data (from aceofficesystems.com and lifespanfitness.com/blogs):
  • 1 mph: 47 dB
  • 2 mph: 50.1 dB
  • 3 mph: 54 dB
  • 4 mph: 59.8 dB
  • These may be for other LifeSpan models (TR1200/TR5000) - not necessarily TX6-specific.
• Marketing claim: "Ultra-quiet" motor (Amazon listing, brand page)
• Amazon review excerpt: "whisper quiet and steady as a rock. The only noise you hear is your feet stepping on the treadmill." (TonyL, verified purchase) - but this review may be for TR5000
• Amazon review excerpt: "It's very quiet, though with occasional whirring/gentle rattling that is audible if you're working in silence" (PL Inc, Canada, Dec 2022) - but this is from a Canadian review possibly for older model
• Office Walker (office-walker.com): Lists "The Quietest Walking Pads" but TX6 not specifically listed in search results

Additional Specs

• Belt size: [48, 20] - 20"W x 48"L (brand page specs table). TreadmillReviews.com says 20" x 48.8".
• Motor wattage: NOT PUBLISHED (Amazon's 150W is erroneous)
• Motor amperage: NOT PUBLISHED
• Motor RPM: NOT PUBLISHED
• Motor thermal class: NOT PUBLISHED
• Model number: TX6 (part number from Amazon tech details)
• Deck: 0.7" (1.8cm) Phenolic Deck
• Suspension: 6 Independent Compression Shocks
• Step-up height: 5.8" (brand page) vs 4.6" (TreadmillReviews.com) vs 5" (web search snippet)
• Shipping dimensions: 66.2"L x 30.3"W x 7.5"H (brand page)
• Transport: 2 front-mounted transport wheels

Editorial Picks

1. TreadmillReviews.com - Named TX6-GlowUp as "Best Under-Desk Treadmill" in their "Best Under-Desk Treadmills of 2025" roundup (updated Jan 31, 2025). URL: https://www.treadmillreviews.com/best-under-desk-treadmills/
2. Good Housekeeping - Listed TX6 in "The Best Under-Desk Treadmills 2025, Reviewed by Trainers." Described as "highly rated" with all needed features, noted 20" belt width advantage. URL: https://www.goodhousekeeping.com/health-products/g43908496/best-under-desk-treadmill/
3. TreadmillReviewGuru.com - Covers LifeSpan treadmill reviews, appears in "Best Under-Desk Treadmills 2026" roundup. URL: https://www.treadmillreviewguru.com/under-desk-treadmill-review/

Brand Info

• LifeSpan Fit App is brand-wide (not TX6-specific) - affects all models
• 360 Fitness Superstore is a dealer carrying TX6

Sibling Models

From Amazon listing "Products related to this item":

• TR5000-GlowUp (B0BMMC4NST): $1,899.00, 3.0/5 stars, 1 rating. Under desk, 0.4-4.0 mph. "Whisper Quiet"
• TR1200: Referenced in reviews but not directly linked

Availability

• Status: In Stock (both Amazon and brand site)
• Amazon: $1,299 with $150 delivery (no Prime shipping)
• Colors: Black (in stock), White (in stock)
• Checked: 2026-02-07

What we could not confirm

• manuals.plus/lifespan/tx6-under-desk-treadmill-manual: not accessible (2026-02-06)
• manua.ls/lifespan/tx6/manual: CSS/JS only, no content (2026-02-06)
• device.report/manual/14469453: not accessible (2026-02-06)
• TX6-specific decibel measurement: not findable from any source

Amazon review themes (from consolidated listing)

• Positive: "Quality product," "whisper quiet," "steady as a rock," "maintenance-free belt" praised
• Negative: Customer service complaints, Bluetooth issues (TR5000), product failures after months
• Important: Many reviews predate TX6 (2017, 2019, 2021, 2023) and are for TR1200/TR5000

ASIN discrepancy

• B0CTH27QTN appears in Amazon search results and is the listing URL that surfaces in Google
• B0CTH27QTN does not resolve when opened directly
• Both ASINs likely point to the same consolidated listing, with B0CTH69X4C being the canonical

Price history

• Earlier listed price: $1,499 MSRP / $1,299 sale
• Current Amazon: $1,399 "typical price" / $1,299 current (7% savings)
• Possible MSRP reduction from $1,499 to $1,399

LifeSpan Comparison Chart

Brand site hosts a "Treadmill Comparison Chart" PDF at: https://cdn.shopify.com/s/files/1/0557/8014/7381/files/Treadmill_Comparison_Chart__1.pdf?v=1663353523 This likely contains sibling model specs but was created in 2022 (before TX6) - may not include TX6.

Weight discrepancy

• Brand page: 98.5 lbs (product weight)
• Amazon "About this item": 88 lbs ("Weighing just 88lbs")
• Amazon tech details: 90 lbs (Package Weight - no unit weight listed)
• TreadmillReviews.com: 88 lbs
• Brand page is authoritative; Amazon copy may be outdated or referring to a different configuration