Brands Guides About
Monoprice 100652 75ft 3.5mm Stereo Extension Cable — main product image
Monoprice 100652 75ft 3.5mm Stereo Extension Cable
Monoprice 100652 75ft 3.5mm Stereo Extension Cable
Monoprice 100652 75ft 3.5mm Stereo Extension Cable
Monoprice 100652 75ft 3.5mm Stereo Extension Cable
Monoprice

Monoprice 100652 75ft 3.5mm Stereo Extension Cable

★★★★★4.5 (1424 reviews)

Stretch any 3.5mm audio source 75 feet with a TRS male-to-female extension built to a lifetime warranty and CL-rated construction.

$10.50*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Monoprice 100652 is a 75-foot 3.5mm stereo TRS extension cable with a male plug on one end and a female jack on the other, built with molded connector housings and strain relief boots at both terminations. The strain relief boot is the detail that separates durable cables from disposable ones at this length — it distributes flex stress across a reinforced section near the connector rather than concentrating it at the solder joint, which is where budget cables inevitably fail. At 75 feet the cable targets the outer range of practical passive 3.5mm extension: long enough to reach from a wall-mounted TV or ceiling speaker driver to a source device in virtually any residential or small commercial room layout.

This cable solves a specific and common infrastructure problem: a headphone cable, portable speaker cable, or audio input lead that is too short to reach its intended destination. The male-to-female TRS configuration is designed to insert directly into any existing 3.5mm cable's terminal female jack and extend it by 75 feet. It is appropriate for home theater setups where the AV source is far from the listening position, classroom audio where the teacher's device needs to reach a wall-mounted speaker, or conference room installations where a laptop audio source needs to feed a remote speaker without wireless involvement. The Monoprice lifetime warranty on cables is a genuine purchasing confidence factor — it signals the manufacturer's expectation of long-term reliability and provides a documented recourse if the product fails to meet it.

Key Features

Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.

This cable features a male 3. 5mm stereo (TRS) plug on one end and a female stereo (TRS) jack on the other end each with molded connector housings and strain relief boots

The cable is ideal for extending the reach of a fixed length 3. 5mm stereo cable such as the cable on a pair of earphones

The 3. 5mm (1/8) stereo TRS connector is more commonly known as the Headphone Jack on portable mp3 players and mobile phones

Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.

Specifications

Length
75 Feet
Connector Type
3.5mm TRS (Stereo)
Configuration
Male to Female
Housing
Molded Connector Housings with Strain Relief Boots
Signal Type
Unbalanced Stereo Audio
Color
Black
Warranty
Monoprice Lifetime Warranty
Brand
Monoprice
Model
100652

Pros & Cons

👍 Pros

  • 75-foot reach eliminates the need for any powered audio distribution hardware in most room-scale installations, extending a fixed-length source cable to virtually any listening position.
  • Molded connector housings with strain relief boots protect the cable-to-connector junction from the flex fatigue that kills most budget extension cables at the termination point.
  • TRS stereo configuration preserves full stereo channel separation across the full 75-foot run — no channel mixing or stereo-to-mono collapse at the connector level.
  • Monoprice lifetime warranty on cables provides direct replacement recourse for manufacturing defects without time-limited coverage windows.
  • Male-to-female TRS configuration extends any existing 3.5mm cable — headphone cables, portable speaker leads, and laptop audio lines all gain 75 feet of additional reach without adapter chains.

👎 Cons

  • 75 feet of unbalanced TRS cable is susceptible to hum, EMI pickup, and signal attenuation in environments near fluorescent lighting, motors, or power wiring — a fundamental limitation of the unbalanced 3.5mm format at this length.
  • No shielding specification is published — the degree of protection against RF and electromagnetic interference in demanding environments is not quantifiable from available data.
  • Single fixed length of 75 feet offers no flexibility for installations requiring 25 or 50 feet — users buying more cable than needed cannot trim it without voiding the connector warranty.
  • The female end cannot accept right-angle plugs without a separate adapter, which can create a bulky connector cluster at the junction point in wall-plate or panel-mounted installations.
  • 3.5mm TRS connectors are mechanical wear items — repeated daily mating and unmating of the male plug will eventually loosen the socket's retention tension, degrading connection reliability over time.

Frequently Asked Questions

At 75 feet over a standard 3.5mm TRS unbalanced connection, some signal loss and noise pickup is possible in electrically noisy environments. The cable is designed to minimize this with quality conductor and shield construction, but long unbalanced runs are inherently more susceptible to interference than balanced XLR alternatives. For a home or office environment, 75 feet is functional. In environments with heavy electrical interference, a balanced audio system is a more reliable engineering choice.
The cable uses TRS (Tip-Ring-Sleeve) connectors on both ends, which carry stereo audio. It is physically compatible with mono TS (Tip-Sleeve) plugs — the ring contact will simply carry no signal — but it is optimized for stereo sources like headphone outputs, portable media players, and laptop audio jacks.
For passive 3.5mm extension, 75 feet approaches the practical upper limit for maintaining acceptable signal quality in typical environments. Beyond 75 feet, signal attenuation and noise pickup accumulate to a point where a powered audio distribution amplifier or a signal converter to a balanced format becomes the more reliable solution.
The Monoprice lifetime warranty covers manufacturing defects — not physical damage from cuts, crush, or connector wear from repeated mating cycles. If the cable fails from a manufacturing fault (connector separation, internal conductor break at the factory joint), Monoprice's warranty process covers replacement.
No. The male plug is designed to insert into a female jack on a source device (headphone output, audio interface, speaker). The female jack accepts a male plug from a downstream device (headphones, speakers). The directionality is fixed by the connector genders — reversing the signal direction requires a separate gender adapter.

Related Products