Graphite · Logitech part 980-001349
The Z407 is a 2.1 system rated at 40 W RMS (80 W peak), with a 5.25-inch subwoofer and 2.5-inch full-range satellites that can stand vertically or horizontally. It accepts Bluetooth, 3.5 mm and micro-USB audio at the same time and is controlled from a battery-powered wireless dial.
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Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
Three sources can stay connected — Bluetooth, 3.5 mm and USB from a computer — and are switched from the dial rather than by re-plugging.
The wireless dial handles volume, bass, playback and source selection, so the subwoofer can sit out of reach.
The USB cable needed for USB audio is not in the box, and there is no headphone output listed.
Logitech's own pages disagree on the Bluetooth version (5.0 vs 4.1), and no codec is published.
Exact configuration: Graphite
19 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Up to three sources connected at once; the dial's wired input button switches between 3.5 mm and micro USB, and its Bluetooth button switches to Bluetooth. The setup guide states up to eight Bluetooth source devices can be paired. USB cable not included. USB does not charge devices. Bluetooth version conflicts between official sources (see bluetooth_version).
UK and US product pages list Bluetooth 5.0; the support table lists 'Wireless Protocol Bluetooth 4.1' but 'Connection Type ... Bluetooth 5.0 (BLE)'. Not resolved by current official sources.
Manufacturer RMS and peak ratings; load and distortion basis not published. Driver impedance listed as 4 Ω subwoofer, 8 Ω satellites.
The support page gives regional power-cable lengths (1840 mm Americas, 1850 mm EMEA) but does not state whether the supply is an in-line adapter or the plug type. UK (980-001349) and US (980-001347) are separate part numbers.
Logitech quotes a 20-metre wireless range ('Wireless range may vary with environmental conditions'). Dial battery life is 12 months (2 × AAA) on two different stated bases: the UK/US shop pages say 'Based on using the dial 16 times, everytime with normal press or rotation per day', while the support specification says 'Press play/pause 60 times per day. Volume adjustment 30 times per day.' Control dial weight 51.8 g (support and shop).
Subwoofer only: 2450.6 g as listed in the UK/US shop dimensions and the support table.
389.6 g listed under the shop dimensions heading 'Satellite' (with the per-satellite 199.9 × 93.9 × 85.2 mm) and the support table row 'Satellites'.
No total system weight is published; Logitech lists the subwoofer (2450.6 g), satellite (389.6 g) and control dial (51.8 g) separately. No figure is summed.
Setup guide 'Box content' list. The UK/US shop in-box list names two satellite speakers, subwoofer, 3.5 mm cable and user documentation, notes that the USB data cable is not included, and the shop specifications state '2 AAA included'.
As stated in the specifications of the UK (en-gb) and US (en-us) Logitech shop pages; the regional terms differ.
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