Description
The SoundTraxx 884609 BLU-4408 Blunami is a 4-amp large-scale Blunami Bluetooth-controlled Digital Sound Decoder factory-loaded with the Steam-2 sound profile — built for S, O, and large-scale steam locomotives.
Prime mover: Steam-2 — the expanded steam library with even more prime movers, whistles, and airhorns over the standard Tsunami2 steam.
- Scale fit: S, O, G (large-scale steam with high stall current)
- Format / connector: Universal with screw-terminal blocks (no-fault wiring)
- Function outputs: 8 (each up to 400 mA)
- Max motor stall current: 4 A
- Audio amplifier: 3 W into 8 Ω (high output — works outdoors / G-scale)
- Dimensions: 69 x 30.5 x 14 mm
- Three-way operation: DC analogue, DCC, and wireless Bluetooth (control from a smartphone via SoundTraxx app)
- Tsunami2 sound engine: Dynamic Digital Exhaust, brakes, injectors, power reverse, firebox flicker, 16 sound channels
- DCC track voltage: 7 – 27 V (handles higher G-scale voltages)
- SoundTraxx SKU: 884609 (Walthers 678-884609)
Tip: The 4 A motor rating + 3 W audio amplifier make this the go-to Blunami decoder for any large-scale install — particularly garden-railway large-scale where you want both volume and high motor current.
About SoundTraxx: A USA-made DCC decoder and sound-system specialist founded in 1990 (Durango, Colorado). Product lines: Tsunami2 (premium full-feature digital sound decoders), Econami (value-priced sound decoders), Blunami (Bluetooth-controllable sound), and DCC Mobile Decoders (motor + lighting, no sound). Range also includes miniature speakers (round / oval / Mega Bass / Mini Cube), the CurrentKeeper stay-alive supercap module, and a full set of Quick-Plug harnesses and adapters for clean installs.
In stock at Oakville Model Trains Depot.