Two Tone / 8 products
Earphones, amps & DACs
In-ear monitors, earbuds and headphone amplifiers/DACs.
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1–8 of 8 products
Sennheiser
Sennheiser IE 900 Wired In-Ear Earphones – Aluminium
7 mm TrueResponse drivers
The Sennheiser IE 900 uses a single 7 mm TrueResponse dynamic transducer in each precision-milled aluminium earpiece. Its X3R acoustic system combines three resonator chambers with an acoustic vortex to control resonances without relying on multiple drivers. The earphones are wired and use Fidelity+ MMCX cable connections with adjustable ear hooks. Manufacturer-listed cable options include 3.5 mm single-ended and 2.5 mm and 4.4 mm balanced plugs, so the chosen cable must match the headphone output on your source. Balanced wiring is optional rather than a guaranteed upgrade for every system. The 18-ohm impedance is not a reason to claim a particular amplifier is mandatory. Appropriate ear tips provide passive isolation; these earphones do not offer Bluetooth or active noise cancellation. This listing is the Aluminium IE 900, not a complete music-player system.
Shure
Shure SE846 Gen 2 Wired Earphones — Clear
Clear SE846G2CL-EFS, second-generation wired package
The Shure SE846 Gen 2 in Clear is a wired in-ear earphone package identified by manufacturer code SE846G2CL-EFS. Four custom drivers work in a three-way system with dedicated low, mid and high-frequency reproduction. A low-pass filter manages the low-frequency section, while removable nozzle inserts provide four selectable sound signatures: extended, balanced, warm and bright. The extended insert is the default second-generation configuration. Noise reduction is passive: correctly fitted sleeves seal against the ear to block outside sound, rather than using electronic active noise cancellation. Shure quotes up to 37dB isolation, with the result dependent on fit. A detachable cable connects through MMCX sockets and terminates in a 3.5mm plug. The over-ear cable design keeps the cable routed around the ear during listening or monitoring. The wired EFS package includes sleeves, a quarter-inch adapter, a hard carrying case and the tools/inserts for adjustment. Bluetooth adapters and wireless monitoring transmitters are separate; this listing is not a wireless bundle. No waterproof or active-noise-cancelling claim is made.
FiiO
FiiO EA13 Stereo Valve Amplifier — Black
Class A push-pull design with two PCF80 and four EL34 valves
The FiiO EA13 is a black stereo valve amplifier built around Class A push-pull amplification. Its preamp section uses two PCF80 valves, with four EL34 valves in the power stage. Four selectable RCA line inputs allow connection of analogue source components; a turntable requiring phono equalisation needs a separate suitable phono stage. Dedicated speaker connections provide 4-ohm and 8-ohm options, while a 6.35 mm single-ended headphone socket supports personal listening. FiiO specifies at least 18 W per channel into either 4 or 8 ohms at THD+N below 1%; its higher 28 W per-channel rating uses the less stringent below-5% condition and should not be treated as the same measurement. Mechanical VU meters and rotary controls provide input selection and volume adjustment. The chassis measures approximately 430 by 339 by 145 mm and weighs about 17.7 kg. A 3.5 mm trigger input supports system integration. This model has analogue line inputs rather than a built-in Bluetooth receiver or digital DAC; speakers and source equipment are not included.
Sennheiser
Sennheiser IE 600 Wired In-Ear Earphones
7 mm TrueResponse dynamic drivers
The Sennheiser IE 600 is a wired in-ear earphone built around a single 7 mm TrueResponse dynamic transducer in each earpiece. Its compact ZR01 amorphous-metal housings incorporate dual-chamber absorbers to manage acoustic resonances. Detachable cables connect through the recessed Fidelity+ MMCX sockets, with 3.5 mm single-ended and 4.4 mm balanced cable options supplied. Adjustable ear hooks help position the earpieces, while suitable ear tips provide passive isolation rather than electronic active noise cancellation. The 18-ohm design needs a compatible headphone output; a balanced cable requires a matching balanced socket and is not a promise of better sound from every source. This listing contains the IE 600 earphones, not a player or amplifier. There is no Bluetooth connection, rechargeable battery or wireless charging feature.
Shure
Shure SE535-CL-EFS Wired Earphones — Clear
Clear wired SE535-CL-EFS earphones
The Shure SE535-CL-EFS is the clear wired version of the SE535 in-ear earphones, intended for personal listening and monitoring from a suitable headphone output. Each earpiece uses three balanced-armature drivers in a compact transparent housing. Shure specifies 36-ohm impedance and 119dB SPL per milliwatt sensitivity at 1kHz, with an 18Hz to 19kHz frequency range. Isolation is passive: selecting well-fitting sleeves creates a seal, rather than using electronic active noise cancellation. The detachable clear cable connects through gold-plated MMCX sockets and terminates in a 3.5mm plug. Its over-ear wireform helps route the cable securely, and the supplied 64-inch cable is approximately 1.63 metres long. The current UK EFS package includes foam and soft-flex sleeve sizes, additional sleeve styles, a carrying case and a quarter-inch adapter. This is not a wireless or Bluetooth bundle and does not include a wireless monitoring transmitter or receiver. It is also distinct from the red limited-edition model; the description and frequency figures refer to the standard clear SE535.
Chord Electronics
Chord Electronics Mojo 2 (4.4 mm) Portable DAC & Headphone Amplifier — Black
Updated version with one 3.5 mm and one 4.4 mm headphone socket
This updated Chord Electronics Mojo 2 combines a portable digital-to-analogue converter and headphone amplifier in a compact black aluminium enclosure. The version offered here has one 3.5 mm and one 4.4 mm headphone output, rather than the original model’s two 3.5 mm sockets. Digital sources can connect through USB-C, Micro-USB, optical or coaxial input, with a separate Micro-USB charging connection and switchable USB-C charging. Its FPGA-based processing includes four-band UHD DSP tone adjustment and a selectable crossfeed function, controlled through the coloured spherical buttons. Each headphone output stores its own volume and DSP settings when used individually. If both outputs are connected, the 4.4 mm output takes priority and its settings apply to both, so this is not two independently adjustable simultaneous headphone feeds. The built-in rechargeable battery supports portable use, while the device can also be used in desktop mode. The 4.4 mm connector is not described here as a balanced-output circuit.
Bowers & Wilkins
Bowers & Wilkins Pi8 Wireless Earbuds — Anthracite Black
Anthracite Black true wireless Pi8 earbuds
The Bowers & Wilkins Pi8 in Anthracite Black is a pair of true wireless earbuds with a 12mm Carbon Cone driver in each earpiece. Active noise cancellation reduces background sound, while Ambient Pass-Through lets outside audio reach the listener when required. Bluetooth 5.4 supports aptX Lossless, aptX Adaptive, aptX Classic, AAC and SBC; the available codec and audio quality depend on the connected source. The earbuds provide up to 6.5 hours of listening with noise cancellation enabled, and the charging case adds up to 13.5 hours for a combined maximum of 20 hours under the manufacturer test conditions. The smart case also retransmits audio from USB and analogue sources. Analogue connection uses the supplied 3.5mm-to-USB-C cable at the case USB-C socket; there is no separate 3.5mm socket on the case. Retransmission uses aptX Adaptive, not a promise of lossless audio from every source. IP54 protection applies to the earbuds only, not the charging case. Four ear-tip sizes, a charging cable and the audio cable are supplied.
Bose
Bose QuietComfort Ultra Earbuds (2nd Gen) — Black
Second-generation true wireless earbuds, black
The Bose QuietComfort Ultra Earbuds (2nd Gen) are true wireless in-ear headphones finished in black, supplied as a left and right pair with a wireless charging case. CustomTune adapts the listening response to the wearer, while adjustable noise cancellation and Aware listening modes provide alternatives for different surroundings. Bose Immersive Audio offers spatialised playback, and SpeechClarity processing is designed to reduce background interference during calls. Bluetooth multipoint allows switching between compatible connected devices, with settings and equalisation managed in the Bose app. Bose advertises up to six hours of playback with Immersive Audio switched off, or up to four hours with it enabled; real battery life varies with volume, settings and use. The case holds up to three additional full charges and also charges through USB-C. IPX4 splash resistance applies to the earbuds, not the charging case, and should not be described as waterproofing. The supplied fit kit includes three sizes of ear tips and three sizes of stability bands. A USB charging cable is included, but a mains power adaptor and wireless charging pad are not part of this listing.