For sennheiser headphones wireless for calls, I recommend the Sennheiser ACCENTUM Wireless: hybrid ANC, clear voice pickup, and up to 50 hours of battery life make it the strongest fit.
Choose the Sennheiser ACCENTUM Plus instead if quick charging and touch controls matter more to you.
sennheiser headphones wireless at a Glance
• Sennheiser SET840 — best for hearing TV speech around the home; pick this if you want an RF listening system with three speech settings and range up to 100 feet.
• Sennheiser ACCENTUM Plus — best for commutes and quick top-ups; pick this if you want adaptive ANC, transparency mode, touch controls, and a 10-minute charge for up to five hours of playback.
• Sennheiser HD 660S2 — best for focused, wired music listening; pick this if an open-back design and 42 mm drivers matter more than wireless convenience.
The Accentum Wireless is my pick for calls because its listed features combine hybrid noise cancellation with clear voice pickup. It is a Bluetooth over-ear-style listening option for someone who wants one pair for conversations, music, and everyday use rather than a TV-specific system or a wired audiophile setup.
Its headline practical feature is battery life of up to 50 hours on a charge. That can mean fewer charging interruptions during a busy stretch of calls and listening. Bluetooth 5.2 and aptX Adaptive are listed, along with a wireless range of up to 30 meters. The lightweight, ergonomic construction is intended for longer wear, while push-button media controls offer straightforward physical operation.
Hybrid ANC is useful when you want to reduce surrounding noise and focus on the person speaking. The product information also specifically identifies clear voice pickup for calls. That makes this a more direct call-focused choice than the SET840, which is designed around TV listening, or the HD 660S2, which is wired and open-back.
The trade-off is that the listed feature set is less adjustable than the ACCENTUM Plus. The Plus adds transparency mode, customizable sound options, and touch gestures; the standard Accentum instead gives you a simpler package centered on battery life, noise reduction, and call clarity. I’d choose it when dependable everyday call use is the priority, not when extensive sound customization is the main goal.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-10 · 7 min read · Independent comparison
The SET840 is a different kind of wireless product: an RF TV listening system with a transmitter and lightweight receiver, rather than conventional Bluetooth headphones for a phone-first routine. It is made for home listening, especially when following television speech is more important than taking mobile calls or carrying headphones on the go.
Its transmitter offers three selectable hearing settings intended to optimize speech. You can connect the system directly to a TV, hi-fi system, or radio, and the supplied connection cable has 3.5 mm stereo plugs plus an adapter for a 6.3 mm jack. The RF link is specified for range up to 100 feet and can transmit through walls, giving the listener room to move around the home while remaining connected.
For someone who struggles to hear dialogue clearly from the television, those speech-focused settings are more relevant than ANC or a long Bluetooth battery specification. The system also has ergonomic controls and visual feedback for some operations. Its receiver uses flexible ear pads, and the described design emphasizes lightweight wear and simple button-based adjustment.
The limitation is its narrow use case. It has no listed noise control, and its RF connection and transmitter are tailored to a home audio source rather than everyday wireless calls. I would not treat it as an answer to searches for the best open ear headphones for calls or the best open ear earbuds for calls: it is a TV assistive listening system, not a call headset. Pick it for television speech, not as an all-purpose mobile pair.
The ACCENTUM Plus is the more feature-rich wireless headphone option for someone who wants to move between calls, music, and noisy surroundings. Its adaptive hybrid ANC is designed to adjust to ambient sound, and a transparency mode lets surrounding sound back in when you want more awareness. That combination gives it a more flexible noise-control approach than the standard Accentum.
It offers up to 50 hours of playback, with a quick-charge specification of up to five hours of listening after a 10-minute charge. That is a practical advantage for a user who forgets to charge regularly or needs a quick boost before heading out. Touch gestures handle music and calls, and the listed Bluetooth version is 5.2. The over-ear design has cushioned ear cups and an adjustable headband.
Sound options are another reason to consider this model. A five-band equalizer, customizable sound modes, and sound personalization give listeners more ways to shape playback. Those features may appeal if one person uses the headphones for calls, podcasts, and different styles of music and wants more control than a basic set of presets.
Sennheiser HD 660S2
The HD 660S2 is the outlier here: it is a wired, open-back headphone aimed at detailed home listening, not a wireless headset for calls. Its 42 mm drivers, 8 Hz–41,500 Hz frequency range, and 300-ohm impedance describe a more specialized listening setup than the Bluetooth Accentum models. I would consider it for music sessions at a desk, not for portable call convenience.
The open-back construction is meant to provide breathability during longer listening sessions. The product information also describes a relaxed sound character and added impact in the lowest octaves. For a listener who wants to settle in with music and hear bass detail without choosing a closed, noise-cancelling design, that is a distinct appeal. The included cables are 4.4 mm and 6.3 mm, with a 6.3 mm-to-3.5 mm adapter.
That same open construction makes it a poor match for environments where you need to block outside noise or keep your audio contained. It is also wired, so it does not offer the wireless freedom or call-focused features of the Accentum models. If you are searching for noise canceling gaming headphones for calls, the HD 660S2 is not the right fit: it has no listed ANC and is presented as a wired music headphone, not a gaming headset.
I’d choose it only when the priority is wired, open-back music listening and the source supports the connection you plan to use. Its strengths are different from those of the three wireless choices, and that distinction matters more than trying to make one headphone cover every situation.
We compared the published specifications and features for wireless use, calls, TV listening, comfort, and sound-control options.
The ranking is our independent editorial opinion based on those details; no brand paid for placement.
I recommend the standard Accentum for calls because its listed features include clear voice pickup, hybrid ANC, and up to 50 hours of battery life. The ACCENTUM Plus is a strong alternative if you prefer touch controls, transparency mode, and quick charging.
No. The SET840 uses an RF transmitter and receiver for home listening, with direct connections for a TV, hi-fi system, or radio. Its three hearing settings are intended to help optimize speech from those sources.
They share a 50-hour battery-life specification, but their listed features differ. The Plus adds adaptive ANC, transparency mode, touch controls, sound customization, and a quick-charge feature; the standard Accentum highlights clear voice pickup and a longer listed Bluetooth range.
No. The HD 660S2 is a wired, open-back headphone. It is intended for focused music listening, so it is not the fit I’d choose for wireless calls or noise cancellation.
For calls, I recommend the standard Accentum: it combines clear voice pickup, hybrid ANC, and up to 50 hours of battery life in a wireless design.
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