Martin Logan B2 speakers (Walnut) with WiiM AMP Ultra Phono Rechargeable Lithium Ion

Rechargeable Lithium Ion

Here are the specific synergy details

Features a built-in speaker

Ear coupling

Go all day long

Martin Logan B2 speakers (Walnut) with WiiM AMP Ultra Phono Rechargeable Lithium IonPairing the MartinLogan Motion Foundation B2 bookshelf speakers with the WiiM Amp Ultra makes for an outstanding, high performance compact audio system. This combination delivers excellent power, high resolution streaming, and room filling sound at an accessible price. Why They Work Well Together Power & Control: The B2s are 5 ohm speakers that handle up to 100 watts. The WiiM Amp Ultra outputs a robust 200W per channel at 4 ohms (or 100W into 8 ohms)