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Silver USB-C dongle with side-mounted USB-C and 3.5mm ports

STARTECH

STARTECH CDP235APDM USB-C audio adapter 60W PD 3.5mm TRRS

SKU CH-1K2F-N0GFH MPN CDP235APDM

Adds a 3.5 mm TRRS headset jack and 60 W USB-C power delivery pass-through through a single port

  • TypeUSB-C to 3.5mm Audio
  • Changer TypeUSB to Audio
  • ColorSilver
  • Specifications1 - Connector A: USB-C (24 pin) USB Power Delivery only 1 -
  • Output ConnectorUSB-C & 3.5mm Audio
  • FeaturesAdd 3.5mm TRRS Audio Jack: USB-C audio and charge adapter wi
  • Adds a 3.5 mm TRRS jack for legacy headsets while charging the host
  • 60 W Power Delivery 3.0 pass-through keeps laptops and tablets powered
  • High-resolution DAC output delivers clear audio through the adapter
  • Compact horizontal design places audio and power ports on the side for easy access
  • Works with USB-C tablets, smartphones and laptops including Thunderbolt 3 hosts

USB-C audio and 60W charge adapter

This adapter adds a 3.5mm TRRS headset jack to USB-C phones, tablets or laptops while passing through up to 60W of USB Power Delivery 3.0 charging. A built-in DAC handles audio output for legacy headsets with integrated microphones. The compact silver dongle measures 0.40" x 2.00" x 0.90" and weighs 0.02 lb.

60W Power Delivery pass-through limit

The USB-C female port accepts a PD 3.0 charger and forwards up to 60W to the host device. It also supports BC 1.2 fast charging for smartphones when a standard USB-C power adapter is used. The adapter itself draws no external power and operates between 0°C and 45°C.

TRRS headset support with single-port hosts

One USB-C port on the host gains both analogue audio and charging capability, removing the need for a separate splitter or dock. The side-mounted connectors keep cables clear of the workspace. It is not suited for devices that require digital audio output or multi-channel surround formats.

Highlights

  • Adds a 3.5 mm TRRS jack for legacy headsets while charging the host
  • 60 W Power Delivery 3.0 pass-through keeps laptops and tablets powered
  • High-resolution DAC output delivers clear audio through the adapter
  • Compact horizontal design places audio and power ports on the side for easy access
  • Works with USB-C tablets, smartphones and laptops including Thunderbolt 3 hosts

Specifications

BrandStarTech.com
ModelCDP235APDM
TypeUSB-C to 3.5mm Audio
Changer TypeUSB to Audio
ColorSilver
Specifications1 - Connector A: USB-C (24 pin) USB Power Delivery only
1 - Connector B: USB-C (24 pin) USB Power Delivery only & 3.5 mm Audio
Operating Temperature: 0°C to 45°C (32°F to 113°F)
Storage Temperature: -10°C to 70°C (14°F to 158°F)
Humidity: 10%-85% RH
Output ConnectorUSB-C & 3.5mm Audio
FeaturesAdd 3.5mm TRRS Audio Jack: USB-C audio and charge adapter with power delivery (PD) pass-through adds support for legacy headsets with built-in mic while charging your USB-C host using a single USB-C port | High-res audio port supports DAC audio output.
Multiple Charging Modes: USB C headphone & charger adapter is bus-powered or use external USB-C power adapter for up to 60W Power Delivery 3.0 pass-through to charge USB-C laptops and tablets | Fast Charge (BC 1.2) to charge USB Type-C smartphones.
Convenient Side Port Layout: Compact, horizontal-style adapter w/ cable-less, dongle-lik
Dimensions0.40" x 2.00" x 0.90"
Weight0.02 lb.
Package ContentsUSB-C to 3.5mm Audio Adapter
Shipping weight0.01 kg
Package size125 × 90 × 1 mm

Questions about this item

Should I choose this single 3.5mm TRRS version or look for a dual-jack model?

This adapter provides one 3.5mm TRRS jack that carries both stereo output and microphone input, so a single legacy headset with a combined plug works directly without needing separate headphone and mic ports.

What does the 60W Power Delivery pass-through actually deliver to my laptop?

The USB-C port accepts up to 60W from a PD 3.0 charger and passes that power through to the host while the audio function runs, keeping the laptop charged during calls or playback.

How does the USB-C 24-pin connector limit what I can plug in?

The connector handles USB Power Delivery and digital audio only; it does not carry video or Thunderbolt data, so the adapter works with USB-C phones, tablets and laptops that support audio accessory mode.

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