The Monitor Audio Radius 1 4G is designed for situations where speakers should take up as little space as possible, but without compromising on sound quality. It is suitable for minimalist stereo solutions, compact home cinema systems, high-quality desk setups, and subtle sound reinforcement in residential or commercial spaces. Wall-mounted, on a stand, on a shelf, or on a desk with the Desk Pad. Four placement options, one speaker.

What makes the Monitor Audio Radius 1 4G special

Minimal Space Requirement - Cabinet with 13.5 cm width and height, 15.6 cm depth
19 mm C-CAM Gold Dome Tweeter - Natural, clear, and precise high-frequency range
4"/100 mm C-CAM RST III Mid-Bass Driver - Punchy, distortion-free bass and realistic voice reproduction
Four Placement Options - On the desk, on a shelf, on a stand, or directly wall-mounted
Available in two Color Variants - High Gloss Black & Satin White are available

Small Cabinet, Big Sound - Punchy Bass, Smooth Vocals, and Precise Treble

Despite its compact size, the Monitor Audio Radius 1 4G has a lot to offer. For both music and movies, it delivers astonishingly mature bass, clear and balanced voice reproduction, and utmost precision in the high frequencies.

Combined with a subwoofer like the models from the Monitor Audio Vestra or Anthra series, a full-fledged and acoustically convincing stereo or home cinema system can be easily set up.

Completely Reworked C-CAM Gold Dome Tweeter and RST III Diaphragm - Perfectly Matched to the New Radius 4G Series

The Radius 4G series features the new C-CAM (Ceramic-Coated Aluminium/Magnesium) Gold Dome Tweeter with improved ventilation and cooling, ensuring that the high frequencies remain clean and precise even at high volumes.

In the low and mid-range, the new RST (Rigid Surface Technology) III diaphragm works with a new, even stiffer spider for more precision and an optimized surround, for an even more harmonious sound and less distortion across all frequencies.

Technically Uncomplicated, Acoustically Outstanding - The Radius 1 4G is a True Team Player

With its minimum impedance of 3.8 ohms, the Radius 1 4G is an uncomplicated partner for any amplifier, and due to its efficiency of 82 decibels, it thrives with more powerful amplifiers of at least 50 watts continuous power. Its compact dimensions make it a true "everywhere speaker", but for a complete sound image, it should be combined with a subwoofer.

For a room size of about 20 square meters, a 10" subwoofer like the Monitor Audio Vestra W10 is sufficient. Up to 30 square meters, the Vestra W12 is suitable, and for those with an even larger living room (or who desire maximum level and depth in the bass), the Radius 1 4G can be combined with a subwoofer of the caliber of the Vestra W15.

Thanks to its flexibility, it can be positioned practically anywhere. Whether on a bookshelf, with the Desk Pad on a desk, on the Radius Floor Stand, or wall-mounted using the Monitor Audio MASM and FIX-M wall brackets.

Pros and Cons at a Glance

Reasons to choose the Monitor Audio Radius 1 4G

• Minimal space requirement - With edges less than 16 centimeters long
• Maximum flexible placement - On a shelf, on the wall, on a stand, or on a desk
• Closed cabinet - No bass reflex port to consider when positioning
• High-quality finish - With High Gloss Black and Satin White finishes

Things to know about the Monitor Audio Radius 1 4G

• Limited frequency range - For a full sound image, it's best to combine it with a subwoofer, as the bass stops at 100 Hertz
  Needs power - 82 dB efficiency requires more powerful amplifiers to unleash its full sonic potential
  

The Monitor Audio Radius 1 4G is perfect for:

• Living spaces where speakers should be as inconspicuous as possible or where there is no space for speakers at all
• Smaller living rooms up to approximately 30 square meters or people who want to listen to high-quality music at their desk
• Stereo and home cinema fans who are willing to place a subwoofer in their living room
• Amplifiers with 50 watts continuous power at four ohms or more
• Design-oriented listeners who value an elegant cabinet in addition to lively sound
• As a complement to speakers from the Monitor Audio Bronze and Silver series, as well as Monitor Audio Creator speakers, for example as ultra-compact surround speakers in a home cinema

The Monitor Audio Radius 1 4G is less suitable for:

• Large rooms far exceeding 30 square meters
• Small amplifiers with power below 50 watts RMS per channel
• As a standalone speaker without a subwoofer

Our verdict on the Monitor Audio Radius 1 4G

With the Radius 1 4G, Monitor Audio proves that compact design speakers can deliver excellent sound. With the C-CAM Gold Dome Tweeter, the RST III Mid-Bass Driver, and its elegant appearance, this speaker qualifies as a clever choice when maximum inconspicuous and flexible positioning is desired, and a sufficiently powerful stereo or AV receiver with a subwoofer is available.

Frequently Asked Questions and Answers about the Monitor Audio Radius 1 4G

Which amplifier do I need for the Monitor Audio Radius 1 4G?

For an optimal sound experience, the stereo amplifier or AV receiver should deliver an output of 50 watts or more per channel. Beyond that, the Radius 1 4G works with practically any amplifier.

What is the best way to set up the Monitor Audio Radius 1 4G?

The speaker is extremely flexible and, thanks to its sealed cabinet, can be placed on furniture or, for example, on a bookshelf. It can also be placed on a desk with the optionally available accessories such as the Desk Pad, mounted on the Radius Floor Stand, or attached to the wall with the MASM or FIX-M wall mounts.

With which other speakers can the Monitor Audio Radius 1 4G be combined?

Acoustically, due to the great similarities in drivers, the Radius 4G series matches speakers from both the Monitor Audio Bronze and Silver series, as well as Monitor Audio Creator speakers of levels 1 and 2.

Which speaker cable is suitable? What is recommended?

The Radius 1 4G has high-quality screw terminals and accepts speaker cables up to a maximum of 4 mm² or banana plugs. For typical living room lengths (<10 meters), a high-quality speaker cable made of OFC copper is perfectly sufficient; for longer distances, it is worthwhile to use 4 mm².

Which official accessories are available for the Monitor Audio Radius 1 4G?

For the Radius 1 4G, the Monitor Audio FIX-M and MASM wall brackets are available for wall mounting, the Monitor Audio Radius Floor Stand as a floor stand, and for placement on a desk or generally with a slight upward angle, the rubberized and furniture-friendly Radius Desk Pad.

In which colors is the Monitor Audio Radius 1 4G available?

The speaker is available in High Gloss Black and Satin White.

How long is the warranty for the Monitor Audio Radius 1 4G?

Monitor Audio offers an extended five-year warranty on the Radius 4G series.

What are the differences between the Monitor Audio Radius 1 4G, Radius 3 4G, and Radius On-Wall 4G?

The Radius 1 4G is the ultra-compact speaker in the series and has been developed with a focus on maximum flexibility, but requires a subwoofer for a full sound image to deliver convincing bass.

The Radius 3 4G also functions as a "stand-alone speaker", meaning it sounds complete even without a subwoofer, but certainly benefits from a subwoofer in terms of bass depth.

The Radius On-Wall 4G is the largest speaker in the Radius 4G series and is consistently designed for wall mounting (horizontally and vertically possible). With its dual mid-bass drivers and single tweeter, it also has the best efficiency and highest sound pressure.

Specifications

General

• Product type: 2-way compact speaker
• Dimensions W × H × D: 13.5 × 13.5 × 15.6 cm, incl. complete accessories
• Weight: 1.8 kg per unit
• Enclosure concept: 2-way
• Bass principle: sealed
• Available cabinet finishes: Gloss Black, Satin White
• Available as: Pair
• Frequency response, free-field: 100 Hz – 35 kHz
• Frequency response, in-room: 100 Hz – 35 kHz

Audio

• Tweeter: 1 × 19 mm C-CAM Gold Dome Tweeter
• Mid/Bass driver: 1 × 4" C-CAM RST III Mid/Bass Driver
• Sensitivity, free-field: 82 dB
• Recommended amplifier power: 50 – 100 Watts into 4 Ohms
• Continuous power handling: 50 Watts, determined according to CTA 426-B
• Nominal impedance: 8 Ohms
• Minimum impedance: 3.8 Ohms @ 950 Hz
• Maximum SPL: 104 dB
• Crossover frequency: LF/HF 3.2 kHz

Connectivity and Compatibility

• Speaker connection: Screw terminals
• Cable acceptance: Speaker cable up to a maximum of 4 mm² or banana plugs
• Compatible wall mounts: Monitor Audio MASM, Monitor Audio FIX-M
• Compatible accessories: Monitor Audio Radius Desk Pad, Monitor Audio Radius Floor Stand

Scope of delivery

• Monitor Audio Radius 1 4G
• Documents

• Sicherheitshinweise
• Datenblatt
• Prospekt
• Sicherheitshinweise
• Datenblatt
• Prospekt

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